Home / 30,857,521.40-46,286,282.10-25,855,998.20

Finding the Fourth Proportional to 30,857,521.40, 46,286,282.10 and 25,855,998.20

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Solution

The fourth proportional to 30,857,521.40, 46,286,282.10 and 25,855,998.20 is: 38,783,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857,521.40 : 46,286,282.10 = 25,855,998.20 : x
  2. Step 2: Convert to fraction form
    30,857,521.40/46,286,282.10 = 25,855,998.20/x
  3. Step 3: Cross multiply
    30,857,521.40x = 46,286,282.10 × 25,855,998.20
  4. Step 4: Simplify right side
    30,857,521.40x = 1,196,778,026,662,292.25
  5. Step 5: Solve for x
    x = 1,196,778,026,662,292.25/30,857,521.40
  6. Step 6: Final answer
    x = 38,783,997.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.