Home / 42,580,390.79-63,869,663.97-11,874,150.78

Finding the Fourth Proportional to 42,580,390.79, 63,869,663.97 and 11,874,150.78

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Solution

The fourth proportional to 42,580,390.79, 63,869,663.97 and 11,874,150.78 is: 17,810,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,390.79 : 63,869,663.97 = 11,874,150.78 : x
  2. Step 2: Convert to fraction form
    42,580,390.79/63,869,663.97 = 11,874,150.78/x
  3. Step 3: Cross multiply
    42,580,390.79x = 63,869,663.97 × 11,874,150.78
  4. Step 4: Simplify right side
    42,580,390.79x = 758,398,020,247,713.38
  5. Step 5: Solve for x
    x = 758,398,020,247,713.38/42,580,390.79
  6. Step 6: Final answer
    x = 17,810,969.00

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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.