Home / 42,386,262.62-63,494,265.61-19,325,475.29

Finding the Fourth Proportional to 42,386,262.62, 63,494,265.61 and 19,325,475.29

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Solution

The fourth proportional to 42,386,262.62, 63,494,265.61 and 19,325,475.29 is: 28,949,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,262.62 : 63,494,265.61 = 19,325,475.29 : x
  2. Step 2: Convert to fraction form
    42,386,262.62/63,494,265.61 = 19,325,475.29/x
  3. Step 3: Cross multiply
    42,386,262.62x = 63,494,265.61 × 19,325,475.29
  4. Step 4: Simplify right side
    42,386,262.62x = 1,227,056,861,285,644.25
  5. Step 5: Solve for x
    x = 1,227,056,861,285,644.25/42,386,262.62
  6. Step 6: Final answer
    x = 28,949,399.77

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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.