Home / 20,367,090.30-30,550,635.45-18,099,608.70

Finding the Fourth Proportional to 20,367,090.30, 30,550,635.45 and 18,099,608.70

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Solution

The fourth proportional to 20,367,090.30, 30,550,635.45 and 18,099,608.70 is: 27,149,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367,090.30 : 30,550,635.45 = 18,099,608.70 : x
  2. Step 2: Convert to fraction form
    20,367,090.30/30,550,635.45 = 18,099,608.70/x
  3. Step 3: Cross multiply
    20,367,090.30x = 30,550,635.45 × 18,099,608.70
  4. Step 4: Simplify right side
    20,367,090.30x = 552,954,547,181,348.38
  5. Step 5: Solve for x
    x = 552,954,547,181,348.38/20,367,090.30
  6. Step 6: Final answer
    x = 27,149,413.05

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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.