Home / 18,497,311.20-27,744,584.40-7,711,826.40

Finding the Fourth Proportional to 18,497,311.20, 27,744,584.40 and 7,711,826.40

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Solution

The fourth proportional to 18,497,311.20, 27,744,584.40 and 7,711,826.40 is: 11,567,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497,311.20 : 27,744,584.40 = 7,711,826.40 : x
  2. Step 2: Convert to fraction form
    18,497,311.20/27,744,584.40 = 7,711,826.40/x
  3. Step 3: Cross multiply
    18,497,311.20x = 27,744,584.40 × 7,711,826.40
  4. Step 4: Simplify right side
    18,497,311.20x = 213,961,418,432,948.16
  5. Step 5: Solve for x
    x = 213,961,418,432,948.16/18,497,311.20
  6. Step 6: Final answer
    x = 11,567,163.26

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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.