Home / 14,984,209.88-20,678,209.42-8,108,691.94

Finding the Fourth Proportional to 14,984,209.88, 20,678,209.42 and 8,108,691.94

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Solution

The fourth proportional to 14,984,209.88, 20,678,209.42 and 8,108,691.94 is: 11,189,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,209.88 : 20,678,209.42 = 8,108,691.94 : x
  2. Step 2: Convert to fraction form
    14,984,209.88/20,678,209.42 = 8,108,691.94/x
  3. Step 3: Cross multiply
    14,984,209.88x = 20,678,209.42 × 8,108,691.94
  4. Step 4: Simplify right side
    14,984,209.88x = 167,673,229,954,195.03
  5. Step 5: Solve for x
    x = 167,673,229,954,195.03/14,984,209.88
  6. Step 6: Final answer
    x = 11,189,994.76

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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.