Home / 10,911,385.20-16,367,077.80-6,659,857.20

Finding the Fourth Proportional to 10,911,385.20, 16,367,077.80 and 6,659,857.20

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Solution

The fourth proportional to 10,911,385.20, 16,367,077.80 and 6,659,857.20 is: 9,989,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,385.20 : 16,367,077.80 = 6,659,857.20 : x
  2. Step 2: Convert to fraction form
    10,911,385.20/16,367,077.80 = 6,659,857.20/x
  3. Step 3: Cross multiply
    10,911,385.20x = 16,367,077.80 × 6,659,857.20
  4. Step 4: Simplify right side
    10,911,385.20x = 109,002,400,929,290.17
  5. Step 5: Solve for x
    x = 109,002,400,929,290.17/10,911,385.20
  6. Step 6: Final answer
    x = 9,989,785.80

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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.