Home / 8,972,361.80-13,458,542.70-7,944,909.20

Finding the Fourth Proportional to 8,972,361.80, 13,458,542.70 and 7,944,909.20

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Solution

The fourth proportional to 8,972,361.80, 13,458,542.70 and 7,944,909.20 is: 11,917,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,361.80 : 13,458,542.70 = 7,944,909.20 : x
  2. Step 2: Convert to fraction form
    8,972,361.80/13,458,542.70 = 7,944,909.20/x
  3. Step 3: Cross multiply
    8,972,361.80x = 13,458,542.70 × 7,944,909.20
  4. Step 4: Simplify right side
    8,972,361.80x = 106,926,899,715,822.84
  5. Step 5: Solve for x
    x = 106,926,899,715,822.84/8,972,361.80
  6. Step 6: Final answer
    x = 11,917,363.80

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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.