Home / 36,253,386.30-54,380,079.45-20,926,890.30

Finding the Fourth Proportional to 36,253,386.30, 54,380,079.45 and 20,926,890.30

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Solution

The fourth proportional to 36,253,386.30, 54,380,079.45 and 20,926,890.30 is: 31,390,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,253,386.30 : 54,380,079.45 = 20,926,890.30 : x
  2. Step 2: Convert to fraction form
    36,253,386.30/54,380,079.45 = 20,926,890.30/x
  3. Step 3: Cross multiply
    36,253,386.30x = 54,380,079.45 × 20,926,890.30
  4. Step 4: Simplify right side
    36,253,386.30x = 1,138,005,957,155,434.50
  5. Step 5: Solve for x
    x = 1,138,005,957,155,434.50/36,253,386.30
  6. Step 6: Final answer
    x = 31,390,335.45

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Double scale
Find fourth proportional to 36,253,387.30, 54,380,080.95 and 20,926,891.30
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.