Home / 7,472,356.20-11,208,534.30-7,330,638.60

Finding the Fourth Proportional to 7,472,356.20, 11,208,534.30 and 7,330,638.60

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Solution

The fourth proportional to 7,472,356.20, 11,208,534.30 and 7,330,638.60 is: 10,995,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472,356.20 : 11,208,534.30 = 7,330,638.60 : x
  2. Step 2: Convert to fraction form
    7,472,356.20/11,208,534.30 = 7,330,638.60/x
  3. Step 3: Cross multiply
    7,472,356.20x = 11,208,534.30 × 7,330,638.60
  4. Step 4: Simplify right side
    7,472,356.20x = 82,165,714,189,003.98
  5. Step 5: Solve for x
    x = 82,165,714,189,003.98/7,472,356.20
  6. Step 6: Final answer
    x = 10,995,957.90

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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.