Home / 18,794,752.20-28,192,128.30-18,542,809.80

Finding the Fourth Proportional to 18,794,752.20, 28,192,128.30 and 18,542,809.80

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Solution

The fourth proportional to 18,794,752.20, 28,192,128.30 and 18,542,809.80 is: 27,814,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794,752.20 : 28,192,128.30 = 18,542,809.80 : x
  2. Step 2: Convert to fraction form
    18,794,752.20/28,192,128.30 = 18,542,809.80/x
  3. Step 3: Cross multiply
    18,794,752.20x = 28,192,128.30 × 18,542,809.80
  4. Step 4: Simplify right side
    18,794,752.20x = 522,761,272,924,097.38
  5. Step 5: Solve for x
    x = 522,761,272,924,097.38/18,794,752.20
  6. Step 6: Final answer
    x = 27,814,214.70

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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.