Home / 22,271,230.80-33,406,846.20-20,656,978.76

Finding the Fourth Proportional to 22,271,230.80, 33,406,846.20 and 20,656,978.76

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Solution

The fourth proportional to 22,271,230.80, 33,406,846.20 and 20,656,978.76 is: 30,985,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271,230.80 : 33,406,846.20 = 20,656,978.76 : x
  2. Step 2: Convert to fraction form
    22,271,230.80/33,406,846.20 = 20,656,978.76/x
  3. Step 3: Cross multiply
    22,271,230.80x = 33,406,846.20 × 20,656,978.76
  4. Step 4: Simplify right side
    22,271,230.80x = 690,084,512,475,503.75
  5. Step 5: Solve for x
    x = 690,084,512,475,503.75/22,271,230.80
  6. Step 6: Final answer
    x = 30,985,468.14

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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.