Home / 10,768,166.13-16,138,778.49-5,378,321.04

Finding the Fourth Proportional to 10,768,166.13, 16,138,778.49 and 5,378,321.04

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Solution

The fourth proportional to 10,768,166.13, 16,138,778.49 and 5,378,321.04 is: 8,060,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768,166.13 : 16,138,778.49 = 5,378,321.04 : x
  2. Step 2: Convert to fraction form
    10,768,166.13/16,138,778.49 = 5,378,321.04/x
  3. Step 3: Cross multiply
    10,768,166.13x = 16,138,778.49 × 5,378,321.04
  4. Step 4: Simplify right side
    10,768,166.13x = 86,799,531,852,146.02
  5. Step 5: Solve for x
    x = 86,799,531,852,146.02/10,768,166.13
  6. Step 6: Final answer
    x = 8,060,753.41

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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.