Home / 12,393,353.57-17,097,522.12-7,739,058.20

Finding the Fourth Proportional to 12,393,353.57, 17,097,522.12 and 7,739,058.20

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Solution

The fourth proportional to 12,393,353.57, 17,097,522.12 and 7,739,058.20 is: 10,676,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,353.57 : 17,097,522.12 = 7,739,058.20 : x
  2. Step 2: Convert to fraction form
    12,393,353.57/17,097,522.12 = 7,739,058.20/x
  3. Step 3: Cross multiply
    12,393,353.57x = 17,097,522.12 × 7,739,058.20
  4. Step 4: Simplify right side
    12,393,353.57x = 132,318,718,676,979.78
  5. Step 5: Solve for x
    x = 132,318,718,676,979.78/12,393,353.57
  6. Step 6: Final answer
    x = 10,676,587.09

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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.