Home / 7,884,016.80-11,826,025.20-2,126,739.30

Finding the Fourth Proportional to 7,884,016.80, 11,826,025.20 and 2,126,739.30

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Solution

The fourth proportional to 7,884,016.80, 11,826,025.20 and 2,126,739.30 is: 3,190,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,016.80 : 11,826,025.20 = 2,126,739.30 : x
  2. Step 2: Convert to fraction form
    7,884,016.80/11,826,025.20 = 2,126,739.30/x
  3. Step 3: Cross multiply
    7,884,016.80x = 11,826,025.20 × 2,126,739.30
  4. Step 4: Simplify right side
    7,884,016.80x = 25,150,872,555,630.36
  5. Step 5: Solve for x
    x = 25,150,872,555,630.36/7,884,016.80
  6. Step 6: Final answer
    x = 3,190,108.95

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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.