Home / 42,580,399.95-63,869,677.74-11,874,159.97

Finding the Fourth Proportional to 42,580,399.95, 63,869,677.74 and 11,874,159.97

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Solution

The fourth proportional to 42,580,399.95, 63,869,677.74 and 11,874,159.97 is: 17,810,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,399.95 : 63,869,677.74 = 11,874,159.97 : x
  2. Step 2: Convert to fraction form
    42,580,399.95/63,869,677.74 = 11,874,159.97/x
  3. Step 3: Cross multiply
    42,580,399.95x = 63,869,677.74 × 11,874,159.97
  4. Step 4: Simplify right side
    42,580,399.95x = 758,398,770,557,433.88
  5. Step 5: Solve for x
    x = 758,398,770,557,433.88/42,580,399.95
  6. Step 6: Final answer
    x = 17,810,982.79

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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.