Home / 8,213,587.20-12,294,549.09-5,639,739.57

Finding the Fourth Proportional to 8,213,587.20, 12,294,549.09 and 5,639,739.57

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Solution

The fourth proportional to 8,213,587.20, 12,294,549.09 and 5,639,739.57 is: 8,441,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,587.20 : 12,294,549.09 = 5,639,739.57 : x
  2. Step 2: Convert to fraction form
    8,213,587.20/12,294,549.09 = 5,639,739.57/x
  3. Step 3: Cross multiply
    8,213,587.20x = 12,294,549.09 × 5,639,739.57
  4. Step 4: Simplify right side
    8,213,587.20x = 69,338,054,998,180.49
  5. Step 5: Solve for x
    x = 69,338,054,998,180.49/8,213,587.20
  6. Step 6: Final answer
    x = 8,441,872.39

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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.