Home / 6,872,747.40-10,309,121.10-4,321,830.60

Finding the Fourth Proportional to 6,872,747.40, 10,309,121.10 and 4,321,830.60

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Solution

The fourth proportional to 6,872,747.40, 10,309,121.10 and 4,321,830.60 is: 6,482,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,747.40 : 10,309,121.10 = 4,321,830.60 : x
  2. Step 2: Convert to fraction form
    6,872,747.40/10,309,121.10 = 4,321,830.60/x
  3. Step 3: Cross multiply
    6,872,747.40x = 10,309,121.10 × 4,321,830.60
  4. Step 4: Simplify right side
    6,872,747.40x = 44,554,275,029,085.66
  5. Step 5: Solve for x
    x = 44,554,275,029,085.66/6,872,747.40
  6. Step 6: Final answer
    x = 6,482,745.90

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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.