Home / 20,690,245.20-30,982,223.70-16,403,287.80

Finding the Fourth Proportional to 20,690,245.20, 30,982,223.70 and 16,403,287.80

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Solution

The fourth proportional to 20,690,245.20, 30,982,223.70 and 16,403,287.80 is: 24,562,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,690,245.20 : 30,982,223.70 = 16,403,287.80 : x
  2. Step 2: Convert to fraction form
    20,690,245.20/30,982,223.70 = 16,403,287.80/x
  3. Step 3: Cross multiply
    20,690,245.20x = 30,982,223.70 × 16,403,287.80
  4. Step 4: Simplify right side
    20,690,245.20x = 508,210,332,035,080.88
  5. Step 5: Solve for x
    x = 508,210,332,035,080.88/20,690,245.20
  6. Step 6: Final answer
    x = 24,562,798.90

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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.