Home / 10,881,279.48-15,020,207.82-9,347,230.20

Finding the Fourth Proportional to 10,881,279.48, 15,020,207.82 and 9,347,230.20

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Solution

The fourth proportional to 10,881,279.48, 15,020,207.82 and 9,347,230.20 is: 12,902,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,279.48 : 15,020,207.82 = 9,347,230.20 : x
  2. Step 2: Convert to fraction form
    10,881,279.48/15,020,207.82 = 9,347,230.20/x
  3. Step 3: Cross multiply
    10,881,279.48x = 15,020,207.82 × 9,347,230.20
  4. Step 4: Simplify right side
    10,881,279.48x = 140,397,340,145,380.16
  5. Step 5: Solve for x
    x = 140,397,340,145,380.16/10,881,279.48
  6. Step 6: Final answer
    x = 12,902,649.95

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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.