Home / 10,391,976.60-15,588,321.30-3,203,453.40

Finding the Fourth Proportional to 10,391,976.60, 15,588,321.30 and 3,203,453.40

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Solution

The fourth proportional to 10,391,976.60, 15,588,321.30 and 3,203,453.40 is: 4,805,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391,976.60 : 15,588,321.30 = 3,203,453.40 : x
  2. Step 2: Convert to fraction form
    10,391,976.60/15,588,321.30 = 3,203,453.40/x
  3. Step 3: Cross multiply
    10,391,976.60x = 15,588,321.30 × 3,203,453.40
  4. Step 4: Simplify right side
    10,391,976.60x = 49,936,460,868,777.42
  5. Step 5: Solve for x
    x = 49,936,460,868,777.42/10,391,976.60
  6. Step 6: Final answer
    x = 4,805,289.96

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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.