Home / 13,029,414.39-17,980,613.01-7,228,196.28

Finding the Fourth Proportional to 13,029,414.39, 17,980,613.01 and 7,228,196.28

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Solution

The fourth proportional to 13,029,414.39, 17,980,613.01 and 7,228,196.28 is: 9,974,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,414.39 : 17,980,613.01 = 7,228,196.28 : x
  2. Step 2: Convert to fraction form
    13,029,414.39/17,980,613.01 = 7,228,196.28/x
  3. Step 3: Cross multiply
    13,029,414.39x = 17,980,613.01 × 7,228,196.28
  4. Step 4: Simplify right side
    13,029,414.39x = 129,967,400,071,001.62
  5. Step 5: Solve for x
    x = 129,967,400,071,001.62/13,029,414.39
  6. Step 6: Final answer
    x = 9,974,922.60

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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.