Home / 15,787,430.10-23,681,145.15-7,284,374.10

Finding the Fourth Proportional to 15,787,430.10, 23,681,145.15 and 7,284,374.10

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Solution

The fourth proportional to 15,787,430.10, 23,681,145.15 and 7,284,374.10 is: 10,926,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,430.10 : 23,681,145.15 = 7,284,374.10 : x
  2. Step 2: Convert to fraction form
    15,787,430.10/23,681,145.15 = 7,284,374.10/x
  3. Step 3: Cross multiply
    15,787,430.10x = 23,681,145.15 × 7,284,374.10
  4. Step 4: Simplify right side
    15,787,430.10x = 172,502,320,389,000.59
  5. Step 5: Solve for x
    x = 172,502,320,389,000.59/15,787,430.10
  6. Step 6: Final answer
    x = 10,926,561.15

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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.