Home / 13,590,722.35-18,755,200.07-7,479,150.85

Finding the Fourth Proportional to 13,590,722.35, 18,755,200.07 and 7,479,150.85

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Solution

The fourth proportional to 13,590,722.35, 18,755,200.07 and 7,479,150.85 is: 10,321,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,722.35 : 18,755,200.07 = 7,479,150.85 : x
  2. Step 2: Convert to fraction form
    13,590,722.35/18,755,200.07 = 7,479,150.85/x
  3. Step 3: Cross multiply
    13,590,722.35x = 18,755,200.07 × 7,479,150.85
  4. Step 4: Simplify right side
    13,590,722.35x = 140,272,970,545,460.56
  5. Step 5: Solve for x
    x = 140,272,970,545,460.56/13,590,722.35
  6. Step 6: Final answer
    x = 10,321,229.95

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1.5x scale

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.