Home / 20,970,200.20-31,455,300.30-17,946,891.40

Finding the Fourth Proportional to 20,970,200.20, 31,455,300.30 and 17,946,891.40

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Solution

The fourth proportional to 20,970,200.20, 31,455,300.30 and 17,946,891.40 is: 26,920,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,200.20 : 31,455,300.30 = 17,946,891.40 : x
  2. Step 2: Convert to fraction form
    20,970,200.20/31,455,300.30 = 17,946,891.40/x
  3. Step 3: Cross multiply
    20,970,200.20x = 31,455,300.30 × 17,946,891.40
  4. Step 4: Simplify right side
    20,970,200.20x = 564,524,858,438,487.38
  5. Step 5: Solve for x
    x = 564,524,858,438,487.38/20,970,200.20
  6. Step 6: Final answer
    x = 26,920,337.10

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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.