Home / 20,723,231.40-31,084,847.10-14,676,613.80

Finding the Fourth Proportional to 20,723,231.40, 31,084,847.10 and 14,676,613.80

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Solution

The fourth proportional to 20,723,231.40, 31,084,847.10 and 14,676,613.80 is: 22,014,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,231.40 : 31,084,847.10 = 14,676,613.80 : x
  2. Step 2: Convert to fraction form
    20,723,231.40/31,084,847.10 = 14,676,613.80/x
  3. Step 3: Cross multiply
    20,723,231.40x = 31,084,847.10 × 14,676,613.80
  4. Step 4: Simplify right side
    20,723,231.40x = 456,220,295,918,750
  5. Step 5: Solve for x
    x = 456,220,295,918,750/20,723,231.40
  6. Step 6: Final answer
    x = 22,014,920.70

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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.