Home / 13,309,226.62-18,366,788.13-7,197,655.18

Finding the Fourth Proportional to 13,309,226.62, 18,366,788.13 and 7,197,655.18

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Solution

The fourth proportional to 13,309,226.62, 18,366,788.13 and 7,197,655.18 is: 9,932,794.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,226.62 : 18,366,788.13 = 7,197,655.18 : x
  2. Step 2: Convert to fraction form
    13,309,226.62/18,366,788.13 = 7,197,655.18/x
  3. Step 3: Cross multiply
    13,309,226.62x = 18,366,788.13 × 7,197,655.18
  4. Step 4: Simplify right side
    13,309,226.62x = 132,197,807,723,857
  5. Step 5: Solve for x
    x = 132,197,807,723,857/13,309,226.62
  6. Step 6: Final answer
    x = 9,932,794.11

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Double scale
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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.