Home / 39,140,145.40-58,710,218.10-10,386,225.40

Finding the Fourth Proportional to 39,140,145.40, 58,710,218.10 and 10,386,225.40

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Solution

The fourth proportional to 39,140,145.40, 58,710,218.10 and 10,386,225.40 is: 15,579,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140,145.40 : 58,710,218.10 = 10,386,225.40 : x
  2. Step 2: Convert to fraction form
    39,140,145.40/58,710,218.10 = 10,386,225.40/x
  3. Step 3: Cross multiply
    39,140,145.40x = 58,710,218.10 × 10,386,225.40
  4. Step 4: Simplify right side
    39,140,145.40x = 609,777,558,469,759.75
  5. Step 5: Solve for x
    x = 609,777,558,469,759.75/39,140,145.40
  6. Step 6: Final answer
    x = 15,579,338.10

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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.