Home / 31,451,766.79-43,403,024.31-17,322,681.95

Finding the Fourth Proportional to 31,451,766.79, 43,403,024.31 and 17,322,681.95

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Solution

The fourth proportional to 31,451,766.79, 43,403,024.31 and 17,322,681.95 is: 23,905,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,451,766.79 : 43,403,024.31 = 17,322,681.95 : x
  2. Step 2: Convert to fraction form
    31,451,766.79/43,403,024.31 = 17,322,681.95/x
  3. Step 3: Cross multiply
    31,451,766.79x = 43,403,024.31 × 17,322,681.95
  4. Step 4: Simplify right side
    31,451,766.79x = 751,856,785,841,838.38
  5. Step 5: Solve for x
    x = 751,856,785,841,838.38/31,451,766.79
  6. Step 6: Final answer
    x = 23,905,073.15

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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.