Home / 42,283,184.49-63,424,894.98-13,141,284.78

Finding the Fourth Proportional to 42,283,184.49, 63,424,894.98 and 13,141,284.78

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Solution

The fourth proportional to 42,283,184.49, 63,424,894.98 and 13,141,284.78 is: 19,711,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,283,184.49 : 63,424,894.98 = 13,141,284.78 : x
  2. Step 2: Convert to fraction form
    42,283,184.49/63,424,894.98 = 13,141,284.78/x
  3. Step 3: Cross multiply
    42,283,184.49x = 63,424,894.98 × 13,141,284.78
  4. Step 4: Simplify right side
    42,283,184.49x = 833,484,607,073,772.38
  5. Step 5: Solve for x
    x = 833,484,607,073,772.38/42,283,184.49
  6. Step 6: Final answer
    x = 19,711,963.92

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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.