Home / 12,393,676.25-17,098,279.12-7,490,385.69

Finding the Fourth Proportional to 12,393,676.25, 17,098,279.12 and 7,490,385.69

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Solution

The fourth proportional to 12,393,676.25, 17,098,279.12 and 7,490,385.69 is: 10,333,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,676.25 : 17,098,279.12 = 7,490,385.69 : x
  2. Step 2: Convert to fraction form
    12,393,676.25/17,098,279.12 = 7,490,385.69/x
  3. Step 3: Cross multiply
    12,393,676.25x = 17,098,279.12 × 7,490,385.69
  4. Step 4: Simplify right side
    12,393,676.25x = 128,072,705,244,073.81
  5. Step 5: Solve for x
    x = 128,072,705,244,073.81/12,393,676.25
  6. Step 6: Final answer
    x = 10,333,713.96

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Double scale
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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.