Home / 20,233,772.20-30,350,658.30-18,108,008.20

Finding the Fourth Proportional to 20,233,772.20, 30,350,658.30 and 18,108,008.20

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Solution

The fourth proportional to 20,233,772.20, 30,350,658.30 and 18,108,008.20 is: 27,162,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233,772.20 : 30,350,658.30 = 18,108,008.20 : x
  2. Step 2: Convert to fraction form
    20,233,772.20/30,350,658.30 = 18,108,008.20/x
  3. Step 3: Cross multiply
    20,233,772.20x = 30,350,658.30 × 18,108,008.20
  4. Step 4: Simplify right side
    20,233,772.20x = 549,589,969,371,798.06
  5. Step 5: Solve for x
    x = 549,589,969,371,798.06/20,233,772.20
  6. Step 6: Final answer
    x = 27,162,012.30

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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.