Home / 9,195,490.20-12,690,170.13-5,121,109.20

Finding the Fourth Proportional to 9,195,490.20, 12,690,170.13 and 5,121,109.20

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Solution

The fourth proportional to 9,195,490.20, 12,690,170.13 and 5,121,109.20 is: 7,067,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,490.20 : 12,690,170.13 = 5,121,109.20 : x
  2. Step 2: Convert to fraction form
    9,195,490.20/12,690,170.13 = 5,121,109.20/x
  3. Step 3: Cross multiply
    9,195,490.20x = 12,690,170.13 × 5,121,109.20
  4. Step 4: Simplify right side
    9,195,490.20x = 64,987,746,940,419.96
  5. Step 5: Solve for x
    x = 64,987,746,940,419.96/9,195,490.20
  6. Step 6: Final answer
    x = 7,067,349.92

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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.