Home / 18,761,547.52-28,142,024.82-5,981,965.84

Finding the Fourth Proportional to 18,761,547.52, 28,142,024.82 and 5,981,965.84

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Solution

The fourth proportional to 18,761,547.52, 28,142,024.82 and 5,981,965.84 is: 8,972,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,547.52 : 28,142,024.82 = 5,981,965.84 : x
  2. Step 2: Convert to fraction form
    18,761,547.52/28,142,024.82 = 5,981,965.84/x
  3. Step 3: Cross multiply
    18,761,547.52x = 28,142,024.82 × 5,981,965.84
  4. Step 4: Simplify right side
    18,761,547.52x = 168,344,631,141,672.16
  5. Step 5: Solve for x
    x = 168,344,631,141,672.16/18,761,547.52
  6. Step 6: Final answer
    x = 8,972,854.24

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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.