Home / 8,721,729.56-13,074,509.82-3,861,446.02

Finding the Fourth Proportional to 8,721,729.56, 13,074,509.82 and 3,861,446.02

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Solution

The fourth proportional to 8,721,729.56, 13,074,509.82 and 3,861,446.02 is: 5,788,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,729.56 : 13,074,509.82 = 3,861,446.02 : x
  2. Step 2: Convert to fraction form
    8,721,729.56/13,074,509.82 = 3,861,446.02/x
  3. Step 3: Cross multiply
    8,721,729.56x = 13,074,509.82 × 3,861,446.02
  4. Step 4: Simplify right side
    8,721,729.56x = 50,486,513,941,507.55
  5. Step 5: Solve for x
    x = 50,486,513,941,507.55/8,721,729.56
  6. Step 6: Final answer
    x = 5,788,589.71

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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.