Home / 15,374,988-21,215,641.50-8,498,535.12

Finding the Fourth Proportional to 15,374,988, 21,215,641.50 and 8,498,535.12

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Solution

The fourth proportional to 15,374,988, 21,215,641.50 and 8,498,535.12 is: 11,726,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,988 : 21,215,641.50 = 8,498,535.12 : x
  2. Step 2: Convert to fraction form
    15,374,988/21,215,641.50 = 8,498,535.12/x
  3. Step 3: Cross multiply
    15,374,988x = 21,215,641.50 × 8,498,535.12
  4. Step 4: Simplify right side
    15,374,988x = 180,301,874,381,079.47
  5. Step 5: Solve for x
    x = 180,301,874,381,079.47/15,374,988
  6. Step 6: Final answer
    x = 11,726,960.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.