Home / 20,233,765.20-30,350,647.80-18,108,001.20

Finding the Fourth Proportional to 20,233,765.20, 30,350,647.80 and 18,108,001.20

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Solution

The fourth proportional to 20,233,765.20, 30,350,647.80 and 18,108,001.20 is: 27,162,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233,765.20 : 30,350,647.80 = 18,108,001.20 : x
  2. Step 2: Convert to fraction form
    20,233,765.20/30,350,647.80 = 18,108,001.20/x
  3. Step 3: Cross multiply
    20,233,765.20x = 30,350,647.80 × 18,108,001.20
  4. Step 4: Simplify right side
    20,233,765.20x = 549,589,566,783,177.38
  5. Step 5: Solve for x
    x = 549,589,566,783,177.38/20,233,765.20
  6. Step 6: Final answer
    x = 27,162,001.80

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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.