Home / 8,871,087.20-13,306,630.80-5,511,855.20

Finding the Fourth Proportional to 8,871,087.20, 13,306,630.80 and 5,511,855.20

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Solution

The fourth proportional to 8,871,087.20, 13,306,630.80 and 5,511,855.20 is: 8,267,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,087.20 : 13,306,630.80 = 5,511,855.20 : x
  2. Step 2: Convert to fraction form
    8,871,087.20/13,306,630.80 = 5,511,855.20/x
  3. Step 3: Cross multiply
    8,871,087.20x = 13,306,630.80 × 5,511,855.20
  4. Step 4: Simplify right side
    8,871,087.20x = 73,344,222,169,460.17
  5. Step 5: Solve for x
    x = 73,344,222,169,460.17/8,871,087.20
  6. Step 6: Final answer
    x = 8,267,782.80

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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.