Home / 42,624,013.80-63,936,020.70-38,718,906.60

Finding the Fourth Proportional to 42,624,013.80, 63,936,020.70 and 38,718,906.60

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Solution

The fourth proportional to 42,624,013.80, 63,936,020.70 and 38,718,906.60 is: 58,078,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,013.80 : 63,936,020.70 = 38,718,906.60 : x
  2. Step 2: Convert to fraction form
    42,624,013.80/63,936,020.70 = 38,718,906.60/x
  3. Step 3: Cross multiply
    42,624,013.80x = 63,936,020.70 × 38,718,906.60
  4. Step 4: Simplify right side
    42,624,013.80x = 2,475,532,813,858,967
  5. Step 5: Solve for x
    x = 2,475,532,813,858,967/42,624,013.80
  6. Step 6: Final answer
    x = 58,078,359.90

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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.