Home / 20,723,494.40-31,085,241.60-14,676,876.80

Finding the Fourth Proportional to 20,723,494.40, 31,085,241.60 and 14,676,876.80

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Solution

The fourth proportional to 20,723,494.40, 31,085,241.60 and 14,676,876.80 is: 22,015,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,494.40 : 31,085,241.60 = 14,676,876.80 : x
  2. Step 2: Convert to fraction form
    20,723,494.40/31,085,241.60 = 14,676,876.80/x
  3. Step 3: Cross multiply
    20,723,494.40x = 31,085,241.60 × 14,676,876.80
  4. Step 4: Simplify right side
    20,723,494.40x = 456,234,261,261,434.94
  5. Step 5: Solve for x
    x = 456,234,261,261,434.94/20,723,494.40
  6. Step 6: Final answer
    x = 22,015,315.20

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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.