Home / 15,786,117.20-23,679,175.80-3,818,853.20

Finding the Fourth Proportional to 15,786,117.20, 23,679,175.80 and 3,818,853.20

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Solution

The fourth proportional to 15,786,117.20, 23,679,175.80 and 3,818,853.20 is: 5,728,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786,117.20 : 23,679,175.80 = 3,818,853.20 : x
  2. Step 2: Convert to fraction form
    15,786,117.20/23,679,175.80 = 3,818,853.20/x
  3. Step 3: Cross multiply
    15,786,117.20x = 23,679,175.80 × 3,818,853.20
  4. Step 4: Simplify right side
    15,786,117.20x = 90,427,296,158,796.69
  5. Step 5: Solve for x
    x = 90,427,296,158,796.69/15,786,117.20
  6. Step 6: Final answer
    x = 5,728,279.79

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Double scale
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Similar ratio
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1.5x scale

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.