Home / 9,195,492.20-12,690,172.88-5,121,111.20

Finding the Fourth Proportional to 9,195,492.20, 12,690,172.88 and 5,121,111.20

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Solution

The fourth proportional to 9,195,492.20, 12,690,172.88 and 5,121,111.20 is: 7,067,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,492.20 : 12,690,172.88 = 5,121,111.20 : x
  2. Step 2: Convert to fraction form
    9,195,492.20/12,690,172.88 = 5,121,111.20/x
  3. Step 3: Cross multiply
    9,195,492.20x = 12,690,172.88 × 5,121,111.20
  4. Step 4: Simplify right side
    9,195,492.20x = 64,987,786,465,704.27
  5. Step 5: Solve for x
    x = 64,987,786,465,704.27/9,195,492.20
  6. Step 6: Final answer
    x = 7,067,352.68

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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.