Home / 10,448,989.20-15,654,922.60-8,917,126.92

Finding the Fourth Proportional to 10,448,989.20, 15,654,922.60 and 8,917,126.92

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Solution

The fourth proportional to 10,448,989.20, 15,654,922.60 and 8,917,126.92 is: 13,359,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448,989.20 : 15,654,922.60 = 8,917,126.92 : x
  2. Step 2: Convert to fraction form
    10,448,989.20/15,654,922.60 = 8,917,126.92/x
  3. Step 3: Cross multiply
    10,448,989.20x = 15,654,922.60 × 8,917,126.92
  4. Step 4: Simplify right side
    10,448,989.20x = 139,596,931,746,976.39
  5. Step 5: Solve for x
    x = 139,596,931,746,976.39/10,448,989.20
  6. Step 6: Final answer
    x = 13,359,850.32

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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.