Home / 5,350,000.20-8,025,000.30-3,523,417.80

Finding the Fourth Proportional to 5,350,000.20, 8,025,000.30 and 3,523,417.80

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Solution

The fourth proportional to 5,350,000.20, 8,025,000.30 and 3,523,417.80 is: 5,285,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350,000.20 : 8,025,000.30 = 3,523,417.80 : x
  2. Step 2: Convert to fraction form
    5,350,000.20/8,025,000.30 = 3,523,417.80/x
  3. Step 3: Cross multiply
    5,350,000.20x = 8,025,000.30 × 3,523,417.80
  4. Step 4: Simplify right side
    5,350,000.20x = 28,275,428,902,025.34
  5. Step 5: Solve for x
    x = 28,275,428,902,025.34/5,350,000.20
  6. Step 6: Final answer
    x = 5,285,126.70

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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.