Home / 12,474,116.70-18,711,175.05-10,647,534.30

Finding the Fourth Proportional to 12,474,116.70, 18,711,175.05 and 10,647,534.30

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Solution

The fourth proportional to 12,474,116.70, 18,711,175.05 and 10,647,534.30 is: 15,971,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,116.70 : 18,711,175.05 = 10,647,534.30 : x
  2. Step 2: Convert to fraction form
    12,474,116.70/18,711,175.05 = 10,647,534.30/x
  3. Step 3: Cross multiply
    12,474,116.70x = 18,711,175.05 × 10,647,534.30
  4. Step 4: Simplify right side
    12,474,116.70x = 199,227,878,138,179.25
  5. Step 5: Solve for x
    x = 199,227,878,138,179.25/12,474,116.70
  6. Step 6: Final answer
    x = 15,971,301.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.