Home / 20,393,782.88-30,579,493.13-8,085,277.17

Finding the Fourth Proportional to 20,393,782.88, 30,579,493.13 and 8,085,277.17

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Solution

The fourth proportional to 20,393,782.88, 30,579,493.13 and 8,085,277.17 is: 12,123,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393,782.88 : 30,579,493.13 = 8,085,277.17 : x
  2. Step 2: Convert to fraction form
    20,393,782.88/30,579,493.13 = 8,085,277.17/x
  3. Step 3: Cross multiply
    20,393,782.88x = 30,579,493.13 × 8,085,277.17
  4. Step 4: Simplify right side
    20,393,782.88x = 247,243,677,633,734.47
  5. Step 5: Solve for x
    x = 247,243,677,633,734.47/20,393,782.88
  6. Step 6: Final answer
    x = 12,123,482.88

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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.