Home / 20,723,309.40-31,084,964.10-14,676,691.80

Finding the Fourth Proportional to 20,723,309.40, 31,084,964.10 and 14,676,691.80

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Solution

The fourth proportional to 20,723,309.40, 31,084,964.10 and 14,676,691.80 is: 22,015,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,309.40 : 31,084,964.10 = 14,676,691.80 : x
  2. Step 2: Convert to fraction form
    20,723,309.40/31,084,964.10 = 14,676,691.80/x
  3. Step 3: Cross multiply
    20,723,309.40x = 31,084,964.10 × 14,676,691.80
  4. Step 4: Simplify right side
    20,723,309.40x = 456,224,437,709,764.44
  5. Step 5: Solve for x
    x = 456,224,437,709,764.44/20,723,309.40
  6. Step 6: Final answer
    x = 22,015,037.70

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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.