Home / 20,723,461.40-31,085,192.10-14,676,843.80

Finding the Fourth Proportional to 20,723,461.40, 31,085,192.10 and 14,676,843.80

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Solution

The fourth proportional to 20,723,461.40, 31,085,192.10 and 14,676,843.80 is: 22,015,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,461.40 : 31,085,192.10 = 14,676,843.80 : x
  2. Step 2: Convert to fraction form
    20,723,461.40/31,085,192.10 = 14,676,843.80/x
  3. Step 3: Cross multiply
    20,723,461.40x = 31,085,192.10 × 14,676,843.80
  4. Step 4: Simplify right side
    20,723,461.40x = 456,232,508,944,694
  5. Step 5: Solve for x
    x = 456,232,508,944,694/20,723,461.40
  6. Step 6: Final answer
    x = 22,015,265.70

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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.