Home / 13,320,046.90-18,385,217.22-7,522,222.42

Finding the Fourth Proportional to 13,320,046.90, 18,385,217.22 and 7,522,222.42

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Solution

The fourth proportional to 13,320,046.90, 18,385,217.22 and 7,522,222.42 is: 10,382,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,046.90 : 18,385,217.22 = 7,522,222.42 : x
  2. Step 2: Convert to fraction form
    13,320,046.90/18,385,217.22 = 7,522,222.42/x
  3. Step 3: Cross multiply
    13,320,046.90x = 18,385,217.22 × 7,522,222.42
  4. Step 4: Simplify right side
    13,320,046.90x = 138,297,693,168,854.06
  5. Step 5: Solve for x
    x = 138,297,693,168,854.06/13,320,046.90
  6. Step 6: Final answer
    x = 10,382,673.14

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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.