Home / 8,752,644.24-12,069,127.08-5,691,181.20

Finding the Fourth Proportional to 8,752,644.24, 12,069,127.08 and 5,691,181.20

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Solution

The fourth proportional to 8,752,644.24, 12,069,127.08 and 5,691,181.20 is: 7,847,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752,644.24 : 12,069,127.08 = 5,691,181.20 : x
  2. Step 2: Convert to fraction form
    8,752,644.24/12,069,127.08 = 5,691,181.20/x
  3. Step 3: Cross multiply
    8,752,644.24x = 12,069,127.08 × 5,691,181.20
  4. Step 4: Simplify right side
    8,752,644.24x = 68,687,589,138,106.90
  5. Step 5: Solve for x
    x = 68,687,589,138,106.90/8,752,644.24
  6. Step 6: Final answer
    x = 7,847,638.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.