Home / 8,066,711.70-12,100,067.55-7,394,865.30

Finding the Fourth Proportional to 8,066,711.70, 12,100,067.55 and 7,394,865.30

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Solution

The fourth proportional to 8,066,711.70, 12,100,067.55 and 7,394,865.30 is: 11,092,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,711.70 : 12,100,067.55 = 7,394,865.30 : x
  2. Step 2: Convert to fraction form
    8,066,711.70/12,100,067.55 = 7,394,865.30/x
  3. Step 3: Cross multiply
    8,066,711.70x = 12,100,067.55 × 7,394,865.30
  4. Step 4: Simplify right side
    8,066,711.70x = 89,478,369,653,151.02
  5. Step 5: Solve for x
    x = 89,478,369,653,151.02/8,066,711.70
  6. Step 6: Final answer
    x = 11,092,297.95

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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.