Home / 20,810,459.66-31,213,446.39-5,459,287.82

Finding the Fourth Proportional to 20,810,459.66, 31,213,446.39 and 5,459,287.82

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Solution

The fourth proportional to 20,810,459.66, 31,213,446.39 and 5,459,287.82 is: 8,188,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810,459.66 : 31,213,446.39 = 5,459,287.82 : x
  2. Step 2: Convert to fraction form
    20,810,459.66/31,213,446.39 = 5,459,287.82/x
  3. Step 3: Cross multiply
    20,810,459.66x = 31,213,446.39 × 5,459,287.82
  4. Step 4: Simplify right side
    20,810,459.66x = 170,403,187,541,082.75
  5. Step 5: Solve for x
    x = 170,403,187,541,082.75/20,810,459.66
  6. Step 6: Final answer
    x = 8,188,343.28

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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.