Home / 7,979,401.80-11,969,102.70-4,609,672.20

Finding the Fourth Proportional to 7,979,401.80, 11,969,102.70 and 4,609,672.20

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Solution

The fourth proportional to 7,979,401.80, 11,969,102.70 and 4,609,672.20 is: 6,914,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,401.80 : 11,969,102.70 = 4,609,672.20 : x
  2. Step 2: Convert to fraction form
    7,979,401.80/11,969,102.70 = 4,609,672.20/x
  3. Step 3: Cross multiply
    7,979,401.80x = 11,969,102.70 × 4,609,672.20
  4. Step 4: Simplify right side
    7,979,401.80x = 55,173,639,975,134.94
  5. Step 5: Solve for x
    x = 55,173,639,975,134.94/7,979,401.80
  6. Step 6: Final answer
    x = 6,914,508.30

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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.