Home / 42,580,384.76-63,869,654.96-11,874,144.78

Finding the Fourth Proportional to 42,580,384.76, 63,869,654.96 and 11,874,144.78

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Solution

The fourth proportional to 42,580,384.76, 63,869,654.96 and 11,874,144.78 is: 17,810,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,384.76 : 63,869,654.96 = 11,874,144.78 : x
  2. Step 2: Convert to fraction form
    42,580,384.76/63,869,654.96 = 11,874,144.78/x
  3. Step 3: Cross multiply
    42,580,384.76x = 63,869,654.96 × 11,874,144.78
  4. Step 4: Simplify right side
    42,580,384.76x = 758,397,530,028,842.38
  5. Step 5: Solve for x
    x = 758,397,530,028,842.38/42,580,384.76
  6. Step 6: Final answer
    x = 17,810,960.01

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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.