Home / 43,680,004.20-65,520,006.30-13,383,930.60

Finding the Fourth Proportional to 43,680,004.20, 65,520,006.30 and 13,383,930.60

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Solution

The fourth proportional to 43,680,004.20, 65,520,006.30 and 13,383,930.60 is: 20,075,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,680,004.20 : 65,520,006.30 = 13,383,930.60 : x
  2. Step 2: Convert to fraction form
    43,680,004.20/65,520,006.30 = 13,383,930.60/x
  3. Step 3: Cross multiply
    43,680,004.20x = 65,520,006.30 × 13,383,930.60
  4. Step 4: Simplify right side
    43,680,004.20x = 876,915,217,230,762.75
  5. Step 5: Solve for x
    x = 876,915,217,230,762.75/43,680,004.20
  6. Step 6: Final answer
    x = 20,075,895.90

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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.