Home / 7,801,339.80-11,679,200.10-5,561,851.80

Finding the Fourth Proportional to 7,801,339.80, 11,679,200.10 and 5,561,851.80

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Solution

The fourth proportional to 7,801,339.80, 11,679,200.10 and 5,561,851.80 is: 8,326,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801,339.80 : 11,679,200.10 = 5,561,851.80 : x
  2. Step 2: Convert to fraction form
    7,801,339.80/11,679,200.10 = 5,561,851.80/x
  3. Step 3: Cross multiply
    7,801,339.80x = 11,679,200.10 × 5,561,851.80
  4. Step 4: Simplify right side
    7,801,339.80x = 64,957,980,098,745.17
  5. Step 5: Solve for x
    x = 64,957,980,098,745.17/7,801,339.80
  6. Step 6: Final answer
    x = 8,326,515.93

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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.