Home / 25,842,590.80-38,763,886.20-25,665,643.60

Finding the Fourth Proportional to 25,842,590.80, 38,763,886.20 and 25,665,643.60

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Solution

The fourth proportional to 25,842,590.80, 38,763,886.20 and 25,665,643.60 is: 38,498,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842,590.80 : 38,763,886.20 = 25,665,643.60 : x
  2. Step 2: Convert to fraction form
    25,842,590.80/38,763,886.20 = 25,665,643.60/x
  3. Step 3: Cross multiply
    25,842,590.80x = 38,763,886.20 × 25,665,643.60
  4. Step 4: Simplify right side
    25,842,590.80x = 994,900,087,760,158.50
  5. Step 5: Solve for x
    x = 994,900,087,760,158.50/25,842,590.80
  6. Step 6: Final answer
    x = 38,498,465.40

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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.