Home / 14,984,141.20-20,675,890.46-9,100,713.76

Finding the Fourth Proportional to 14,984,141.20, 20,675,890.46 and 9,100,713.76

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Solution

The fourth proportional to 14,984,141.20, 20,675,890.46 and 9,100,713.76 is: 12,557,633.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,141.20 : 20,675,890.46 = 9,100,713.76 : x
  2. Step 2: Convert to fraction form
    14,984,141.20/20,675,890.46 = 9,100,713.76/x
  3. Step 3: Cross multiply
    14,984,141.20x = 20,675,890.46 × 9,100,713.76
  4. Step 4: Simplify right side
    14,984,141.20x = 188,165,360,780,636.78
  5. Step 5: Solve for x
    x = 188,165,360,780,636.78/14,984,141.20
  6. Step 6: Final answer
    x = 12,557,633.99

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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.