Home / 8,874,789.12-13,313,909.76-3,409,485.76

Finding the Fourth Proportional to 8,874,789.12, 13,313,909.76 and 3,409,485.76

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Solution

The fourth proportional to 8,874,789.12, 13,313,909.76 and 3,409,485.76 is: 5,114,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,789.12 : 13,313,909.76 = 3,409,485.76 : x
  2. Step 2: Convert to fraction form
    8,874,789.12/13,313,909.76 = 3,409,485.76/x
  3. Step 3: Cross multiply
    8,874,789.12x = 13,313,909.76 × 3,409,485.76
  4. Step 4: Simplify right side
    8,874,789.12x = 45,393,585,736,645.02
  5. Step 5: Solve for x
    x = 45,393,585,736,645.02/8,874,789.12
  6. Step 6: Final answer
    x = 5,114,891.76

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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.