Home / 20,002,505.40-30,005,070.30-5,626,042.20

Finding the Fourth Proportional to 20,002,505.40, 30,005,070.30 and 5,626,042.20

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Solution

The fourth proportional to 20,002,505.40, 30,005,070.30 and 5,626,042.20 is: 8,439,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,505.40 : 30,005,070.30 = 5,626,042.20 : x
  2. Step 2: Convert to fraction form
    20,002,505.40/30,005,070.30 = 5,626,042.20/x
  3. Step 3: Cross multiply
    20,002,505.40x = 30,005,070.30 × 5,626,042.20
  4. Step 4: Simplify right side
    20,002,505.40x = 168,809,791,721,766.66
  5. Step 5: Solve for x
    x = 168,809,791,721,766.66/20,002,505.40
  6. Step 6: Final answer
    x = 8,439,432.38

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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.