Home / 15,142,843.80-22,714,265.70-13,505,218.20

Finding the Fourth Proportional to 15,142,843.80, 22,714,265.70 and 13,505,218.20

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Solution

The fourth proportional to 15,142,843.80, 22,714,265.70 and 13,505,218.20 is: 20,257,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142,843.80 : 22,714,265.70 = 13,505,218.20 : x
  2. Step 2: Convert to fraction form
    15,142,843.80/22,714,265.70 = 13,505,218.20/x
  3. Step 3: Cross multiply
    15,142,843.80x = 22,714,265.70 × 13,505,218.20
  4. Step 4: Simplify right side
    15,142,843.80x = 306,761,114,531,275.69
  5. Step 5: Solve for x
    x = 306,761,114,531,275.69/15,142,843.80
  6. Step 6: Final answer
    x = 20,257,827.30

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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.