Home / 12,786,044.10-19,179,066.15-8,008,469.70

Finding the Fourth Proportional to 12,786,044.10, 19,179,066.15 and 8,008,469.70

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Solution

The fourth proportional to 12,786,044.10, 19,179,066.15 and 8,008,469.70 is: 12,012,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,044.10 : 19,179,066.15 = 8,008,469.70 : x
  2. Step 2: Convert to fraction form
    12,786,044.10/19,179,066.15 = 8,008,469.70/x
  3. Step 3: Cross multiply
    12,786,044.10x = 19,179,066.15 × 8,008,469.70
  4. Step 4: Simplify right side
    12,786,044.10x = 153,594,970,136,570.66
  5. Step 5: Solve for x
    x = 153,594,970,136,570.66/12,786,044.10
  6. Step 6: Final answer
    x = 12,012,704.55

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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.