Home / 25,513,326.96-35,212,430.13-15,206,028.72

Finding the Fourth Proportional to 25,513,326.96, 35,212,430.13 and 15,206,028.72

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Solution

The fourth proportional to 25,513,326.96, 35,212,430.13 and 15,206,028.72 is: 20,986,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513,326.96 : 35,212,430.13 = 15,206,028.72 : x
  2. Step 2: Convert to fraction form
    25,513,326.96/35,212,430.13 = 15,206,028.72/x
  3. Step 3: Cross multiply
    25,513,326.96x = 35,212,430.13 × 15,206,028.72
  4. Step 4: Simplify right side
    25,513,326.96x = 535,441,223,857,773.38
  5. Step 5: Solve for x
    x = 535,441,223,857,773.38/25,513,326.96
  6. Step 6: Final answer
    x = 20,986,726.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.