Home / 20,231,013.40-30,350,456.70-5,854,550.20

Finding the Fourth Proportional to 20,231,013.40, 30,350,456.70 and 5,854,550.20

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Solution

The fourth proportional to 20,231,013.40, 30,350,456.70 and 5,854,550.20 is: 8,782,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,013.40 : 30,350,456.70 = 5,854,550.20 : x
  2. Step 2: Convert to fraction form
    20,231,013.40/30,350,456.70 = 5,854,550.20/x
  3. Step 3: Cross multiply
    20,231,013.40x = 30,350,456.70 × 5,854,550.20
  4. Step 4: Simplify right side
    20,231,013.40x = 177,688,272,343,076.34
  5. Step 5: Solve for x
    x = 177,688,272,343,076.34/20,231,013.40
  6. Step 6: Final answer
    x = 8,782,964.49

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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.