Home / 13,486,538.20-20,229,807.30-13,171,610.20

Finding the Fourth Proportional to 13,486,538.20, 20,229,807.30 and 13,171,610.20

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Solution

The fourth proportional to 13,486,538.20, 20,229,807.30 and 13,171,610.20 is: 19,757,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,538.20 : 20,229,807.30 = 13,171,610.20 : x
  2. Step 2: Convert to fraction form
    13,486,538.20/20,229,807.30 = 13,171,610.20/x
  3. Step 3: Cross multiply
    13,486,538.20x = 20,229,807.30 × 13,171,610.20
  4. Step 4: Simplify right side
    13,486,538.20x = 266,459,136,176,714.47
  5. Step 5: Solve for x
    x = 266,459,136,176,714.47/13,486,538.20
  6. Step 6: Final answer
    x = 19,757,415.30

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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.