Home / 42,580,389.29-63,869,661.72-11,874,149.28

Finding the Fourth Proportional to 42,580,389.29, 63,869,661.72 and 11,874,149.28

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Solution

The fourth proportional to 42,580,389.29, 63,869,661.72 and 11,874,149.28 is: 17,810,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,389.29 : 63,869,661.72 = 11,874,149.28 : x
  2. Step 2: Convert to fraction form
    42,580,389.29/63,869,661.72 = 11,874,149.28/x
  3. Step 3: Cross multiply
    42,580,389.29x = 63,869,661.72 × 11,874,149.28
  4. Step 4: Simplify right side
    42,580,389.29x = 758,397,897,726,381.50
  5. Step 5: Solve for x
    x = 758,397,897,726,381.50/42,580,389.29
  6. Step 6: Final answer
    x = 17,810,966.75

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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.