Home / 31,277,468.87-43,160,729.64-17,338,689.98

Finding the Fourth Proportional to 31,277,468.87, 43,160,729.64 and 17,338,689.98

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Solution

The fourth proportional to 31,277,468.87, 43,160,729.64 and 17,338,689.98 is: 23,926,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277,468.87 : 43,160,729.64 = 17,338,689.98 : x
  2. Step 2: Convert to fraction form
    31,277,468.87/43,160,729.64 = 17,338,689.98/x
  3. Step 3: Cross multiply
    31,277,468.87x = 43,160,729.64 × 17,338,689.98
  4. Step 4: Simplify right side
    31,277,468.87x = 748,350,510,538,557
  5. Step 5: Solve for x
    x = 748,350,510,538,557/31,277,468.87
  6. Step 6: Final answer
    x = 23,926,185.13

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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.