Home / 7,976,091.20-11,964,880.80-6,180,989.12

Finding the Fourth Proportional to 7,976,091.20, 11,964,880.80 and 6,180,989.12

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Solution

The fourth proportional to 7,976,091.20, 11,964,880.80 and 6,180,989.12 is: 9,272,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976,091.20 : 11,964,880.80 = 6,180,989.12 : x
  2. Step 2: Convert to fraction form
    7,976,091.20/11,964,880.80 = 6,180,989.12/x
  3. Step 3: Cross multiply
    7,976,091.20x = 11,964,880.80 × 6,180,989.12
  4. Step 4: Simplify right side
    7,976,091.20x = 73,954,798,046,896.91
  5. Step 5: Solve for x
    x = 73,954,798,046,896.91/7,976,091.20
  6. Step 6: Final answer
    x = 9,272,060.24

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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.