Home / 12,481,691.70-18,722,537.55-5,292,002.10

Finding the Fourth Proportional to 12,481,691.70, 18,722,537.55 and 5,292,002.10

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Solution

The fourth proportional to 12,481,691.70, 18,722,537.55 and 5,292,002.10 is: 7,938,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,691.70 : 18,722,537.55 = 5,292,002.10 : x
  2. Step 2: Convert to fraction form
    12,481,691.70/18,722,537.55 = 5,292,002.10/x
  3. Step 3: Cross multiply
    12,481,691.70x = 18,722,537.55 × 5,292,002.10
  4. Step 4: Simplify right side
    12,481,691.70x = 99,079,708,031,928.86
  5. Step 5: Solve for x
    x = 99,079,708,031,928.86/12,481,691.70
  6. Step 6: Final answer
    x = 7,938,003.15

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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.