Home / 20,482,134.84-28,266,204.78-11,780,309.88

Finding the Fourth Proportional to 20,482,134.84, 28,266,204.78 and 11,780,309.88

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Solution

The fourth proportional to 20,482,134.84, 28,266,204.78 and 11,780,309.88 is: 16,257,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482,134.84 : 28,266,204.78 = 11,780,309.88 : x
  2. Step 2: Convert to fraction form
    20,482,134.84/28,266,204.78 = 11,780,309.88/x
  3. Step 3: Cross multiply
    20,482,134.84x = 28,266,204.78 × 11,780,309.88
  4. Step 4: Simplify right side
    20,482,134.84x = 332,984,651,439,937.25
  5. Step 5: Solve for x
    x = 332,984,651,439,937.25/20,482,134.84
  6. Step 6: Final answer
    x = 16,257,321.52

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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.