Home / 9,491,421.60-13,098,157.26-5,140,507.68

Finding the Fourth Proportional to 9,491,421.60, 13,098,157.26 and 5,140,507.68

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Solution

The fourth proportional to 9,491,421.60, 13,098,157.26 and 5,140,507.68 is: 7,093,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491,421.60 : 13,098,157.26 = 5,140,507.68 : x
  2. Step 2: Convert to fraction form
    9,491,421.60/13,098,157.26 = 5,140,507.68/x
  3. Step 3: Cross multiply
    9,491,421.60x = 13,098,157.26 × 5,140,507.68
  4. Step 4: Simplify right side
    9,491,421.60x = 67,331,177,988,877.75
  5. Step 5: Solve for x
    x = 67,331,177,988,877.75/9,491,421.60
  6. Step 6: Final answer
    x = 7,093,898.14

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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.