Home / 8,515,375.20-12,773,062.80-7,675,567.20

Finding the Fourth Proportional to 8,515,375.20, 12,773,062.80 and 7,675,567.20

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Solution

The fourth proportional to 8,515,375.20, 12,773,062.80 and 7,675,567.20 is: 11,513,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515,375.20 : 12,773,062.80 = 7,675,567.20 : x
  2. Step 2: Convert to fraction form
    8,515,375.20/12,773,062.80 = 7,675,567.20/x
  3. Step 3: Cross multiply
    8,515,375.20x = 12,773,062.80 × 7,675,567.20
  4. Step 4: Simplify right side
    8,515,375.20x = 98,040,501,871,220.17
  5. Step 5: Solve for x
    x = 98,040,501,871,220.17/8,515,375.20
  6. Step 6: Final answer
    x = 11,513,350.80

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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.