Home / 13,590,708.00-18,755,179.78-7,479,136.50

Finding the Fourth Proportional to 13,590,708.00, 18,755,179.78 and 7,479,136.50

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Solution

The fourth proportional to 13,590,708.00, 18,755,179.78 and 7,479,136.50 is: 10,321,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,708.00 : 18,755,179.78 = 7,479,136.50 : x
  2. Step 2: Convert to fraction form
    13,590,708.00/18,755,179.78 = 7,479,136.50/x
  3. Step 3: Cross multiply
    13,590,708.00x = 18,755,179.78 × 7,479,136.50
  4. Step 4: Simplify right side
    13,590,708.00x = 140,272,549,687,151.48
  5. Step 5: Solve for x
    x = 140,272,549,687,151.48/13,590,708.00
  6. Step 6: Final answer
    x = 10,321,209.88

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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.