Home / 20,723,245.40-31,084,868.10-14,676,627.80

Finding the Fourth Proportional to 20,723,245.40, 31,084,868.10 and 14,676,627.80

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Solution

The fourth proportional to 20,723,245.40, 31,084,868.10 and 14,676,627.80 is: 22,014,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,245.40 : 31,084,868.10 = 14,676,627.80 : x
  2. Step 2: Convert to fraction form
    20,723,245.40/31,084,868.10 = 14,676,627.80/x
  3. Step 3: Cross multiply
    20,723,245.40x = 31,084,868.10 × 14,676,627.80
  4. Step 4: Simplify right side
    20,723,245.40x = 456,221,039,315,793.25
  5. Step 5: Solve for x
    x = 456,221,039,315,793.25/20,723,245.40
  6. Step 6: Final answer
    x = 22,014,941.70

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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.