Home / 18,577,609.40-27,866,414.10-6,443,039.90

Finding the Fourth Proportional to 18,577,609.40, 27,866,414.10 and 6,443,039.90

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Solution

The fourth proportional to 18,577,609.40, 27,866,414.10 and 6,443,039.90 is: 9,664,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577,609.40 : 27,866,414.10 = 6,443,039.90 : x
  2. Step 2: Convert to fraction form
    18,577,609.40/27,866,414.10 = 6,443,039.90/x
  3. Step 3: Cross multiply
    18,577,609.40x = 27,866,414.10 × 6,443,039.90
  4. Step 4: Simplify right side
    18,577,609.40x = 179,544,417,916,222.62
  5. Step 5: Solve for x
    x = 179,544,417,916,222.62/18,577,609.40
  6. Step 6: Final answer
    x = 9,664,559.85

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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.