Home / 30,790,147.47-42,490,516.14-16,661,334

Finding the Fourth Proportional to 30,790,147.47, 42,490,516.14 and 16,661,334

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Solution

The fourth proportional to 30,790,147.47, 42,490,516.14 and 16,661,334 is: 22,992,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790,147.47 : 42,490,516.14 = 16,661,334 : x
  2. Step 2: Convert to fraction form
    30,790,147.47/42,490,516.14 = 16,661,334/x
  3. Step 3: Cross multiply
    30,790,147.47x = 42,490,516.14 × 16,661,334
  4. Step 4: Simplify right side
    30,790,147.47x = 707,948,681,240,930.75
  5. Step 5: Solve for x
    x = 707,948,681,240,930.75/30,790,147.47
  6. Step 6: Final answer
    x = 22,992,701.87

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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.