Home / 12,596,665.56-17,391,765.60-9,690,929.88

Finding the Fourth Proportional to 12,596,665.56, 17,391,765.60 and 9,690,929.88

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Solution

The fourth proportional to 12,596,665.56, 17,391,765.60 and 9,690,929.88 is: 13,379,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,665.56 : 17,391,765.60 = 9,690,929.88 : x
  2. Step 2: Convert to fraction form
    12,596,665.56/17,391,765.60 = 9,690,929.88/x
  3. Step 3: Cross multiply
    12,596,665.56x = 17,391,765.60 × 9,690,929.88
  4. Step 4: Simplify right side
    12,596,665.56x = 168,542,380,918,996.16
  5. Step 5: Solve for x
    x = 168,542,380,918,996.16/12,596,665.56
  6. Step 6: Final answer
    x = 13,379,920.27

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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.