Home / 18,761,383.20-28,141,779.18-5,981,801.88

Finding the Fourth Proportional to 18,761,383.20, 28,141,779.18 and 5,981,801.88

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Solution

The fourth proportional to 18,761,383.20, 28,141,779.18 and 5,981,801.88 is: 8,972,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,383.20 : 28,141,779.18 = 5,981,801.88 : x
  2. Step 2: Convert to fraction form
    18,761,383.20/28,141,779.18 = 5,981,801.88/x
  3. Step 3: Cross multiply
    18,761,383.20x = 28,141,779.18 × 5,981,801.88
  4. Step 4: Simplify right side
    18,761,383.20x = 168,338,547,605,468.84
  5. Step 5: Solve for x
    x = 168,338,547,605,468.84/18,761,383.20
  6. Step 6: Final answer
    x = 8,972,608.57

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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.