Home / 8,203,885.80-11,321,642.34-5,149,784.04

Finding the Fourth Proportional to 8,203,885.80, 11,321,642.34 and 5,149,784.04

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Solution

The fourth proportional to 8,203,885.80, 11,321,642.34 and 5,149,784.04 is: 7,106,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203,885.80 : 11,321,642.34 = 5,149,784.04 : x
  2. Step 2: Convert to fraction form
    8,203,885.80/11,321,642.34 = 5,149,784.04/x
  3. Step 3: Cross multiply
    8,203,885.80x = 11,321,642.34 × 5,149,784.04
  4. Step 4: Simplify right side
    8,203,885.80x = 58,304,013,029,120.25
  5. Step 5: Solve for x
    x = 58,304,013,029,120.25/8,203,885.80
  6. Step 6: Final answer
    x = 7,106,877.70

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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.