Home / 15,391,245.60-21,234,761.59-8,864,744.40

Finding the Fourth Proportional to 15,391,245.60, 21,234,761.59 and 8,864,744.40

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Solution

The fourth proportional to 15,391,245.60, 21,234,761.59 and 8,864,744.40 is: 12,230,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391,245.60 : 21,234,761.59 = 8,864,744.40 : x
  2. Step 2: Convert to fraction form
    15,391,245.60/21,234,761.59 = 8,864,744.40/x
  3. Step 3: Cross multiply
    15,391,245.60x = 21,234,761.59 × 8,864,744.40
  4. Step 4: Simplify right side
    15,391,245.60x = 188,240,733,890,287.59
  5. Step 5: Solve for x
    x = 188,240,733,890,287.59/15,391,245.60
  6. Step 6: Final answer
    x = 12,230,376.85

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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.