Home / 9,195,401.56-12,687,712.68-5,327,687.20

Finding the Fourth Proportional to 9,195,401.56, 12,687,712.68 and 5,327,687.20

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Solution

The fourth proportional to 9,195,401.56, 12,687,712.68 and 5,327,687.20 is: 7,351,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,401.56 : 12,687,712.68 = 5,327,687.20 : x
  2. Step 2: Convert to fraction form
    9,195,401.56/12,687,712.68 = 5,327,687.20/x
  3. Step 3: Cross multiply
    9,195,401.56x = 12,687,712.68 × 5,327,687.20
  4. Step 4: Simplify right side
    9,195,401.56x = 67,596,164,442,513.70
  5. Step 5: Solve for x
    x = 67,596,164,442,513.70/9,195,401.56
  6. Step 6: Final answer
    x = 7,351,083.47

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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.