Home / 27,887,830.80-38,486,141.04-15,498,446.46

Finding the Fourth Proportional to 27,887,830.80, 38,486,141.04 and 15,498,446.46

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Solution

The fourth proportional to 27,887,830.80, 38,486,141.04 and 15,498,446.46 is: 21,388,375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,830.80 : 38,486,141.04 = 15,498,446.46 : x
  2. Step 2: Convert to fraction form
    27,887,830.80/38,486,141.04 = 15,498,446.46/x
  3. Step 3: Cross multiply
    27,887,830.80x = 38,486,141.04 × 15,498,446.46
  4. Step 4: Simplify right side
    27,887,830.80x = 596,475,396,360,448.75
  5. Step 5: Solve for x
    x = 596,475,396,360,448.75/27,887,830.80
  6. Step 6: Final answer
    x = 21,388,375.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.