Home / 20,448,188.70-30,646,233.45-10,868,156.70

Finding the Fourth Proportional to 20,448,188.70, 30,646,233.45 and 10,868,156.70

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Solution

The fourth proportional to 20,448,188.70, 30,646,233.45 and 10,868,156.70 is: 16,288,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448,188.70 : 30,646,233.45 = 10,868,156.70 : x
  2. Step 2: Convert to fraction form
    20,448,188.70/30,646,233.45 = 10,868,156.70/x
  3. Step 3: Cross multiply
    20,448,188.70x = 30,646,233.45 × 10,868,156.70
  4. Step 4: Simplify right side
    20,448,188.70x = 333,068,067,399,381.56
  5. Step 5: Solve for x
    x = 333,068,067,399,381.56/20,448,188.70
  6. Step 6: Final answer
    x = 16,288,389.76

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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.