Home / 14,786,939.88-20,376,909.18-11,306,222.46

Finding the Fourth Proportional to 14,786,939.88, 20,376,909.18 and 11,306,222.46

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Solution

The fourth proportional to 14,786,939.88, 20,376,909.18 and 11,306,222.46 is: 15,580,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786,939.88 : 20,376,909.18 = 11,306,222.46 : x
  2. Step 2: Convert to fraction form
    14,786,939.88/20,376,909.18 = 11,306,222.46/x
  3. Step 3: Cross multiply
    14,786,939.88x = 20,376,909.18 × 11,306,222.46
  4. Step 4: Simplify right side
    14,786,939.88x = 230,385,868,236,296.19
  5. Step 5: Solve for x
    x = 230,385,868,236,296.19/14,786,939.88
  6. Step 6: Final answer
    x = 15,580,361.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.