Home / 8,743,781.70-13,115,672.55-7,822,617.30

Finding the Fourth Proportional to 8,743,781.70, 13,115,672.55 and 7,822,617.30

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Solution

The fourth proportional to 8,743,781.70, 13,115,672.55 and 7,822,617.30 is: 11,733,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743,781.70 : 13,115,672.55 = 7,822,617.30 : x
  2. Step 2: Convert to fraction form
    8,743,781.70/13,115,672.55 = 7,822,617.30/x
  3. Step 3: Cross multiply
    8,743,781.70x = 13,115,672.55 × 7,822,617.30
  4. Step 4: Simplify right side
    8,743,781.70x = 102,598,886,990,765.12
  5. Step 5: Solve for x
    x = 102,598,886,990,765.12/8,743,781.70
  6. Step 6: Final answer
    x = 11,733,925.95

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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.