Home / 9,491,862.72-13,098,704.64-5,140,849.92

Finding the Fourth Proportional to 9,491,862.72, 13,098,704.64 and 5,140,849.92

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Solution

The fourth proportional to 9,491,862.72, 13,098,704.64 and 5,140,849.92 is: 7,094,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491,862.72 : 13,098,704.64 = 5,140,849.92 : x
  2. Step 2: Convert to fraction form
    9,491,862.72/13,098,704.64 = 5,140,849.92/x
  3. Step 3: Cross multiply
    9,491,862.72x = 13,098,704.64 × 5,140,849.92
  4. Step 4: Simplify right side
    9,491,862.72x = 67,338,474,700,647.63
  5. Step 5: Solve for x
    x = 67,338,474,700,647.63/9,491,862.72
  6. Step 6: Final answer
    x = 7,094,337.19

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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.