Home / 8,147,989.80-12,221,984.70-3,098,644.20

Finding the Fourth Proportional to 8,147,989.80, 12,221,984.70 and 3,098,644.20

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Solution

The fourth proportional to 8,147,989.80, 12,221,984.70 and 3,098,644.20 is: 4,647,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,989.80 : 12,221,984.70 = 3,098,644.20 : x
  2. Step 2: Convert to fraction form
    8,147,989.80/12,221,984.70 = 3,098,644.20/x
  3. Step 3: Cross multiply
    8,147,989.80x = 12,221,984.70 × 3,098,644.20
  4. Step 4: Simplify right side
    8,147,989.80x = 37,871,582,003,143.74
  5. Step 5: Solve for x
    x = 37,871,582,003,143.74/8,147,989.80
  6. Step 6: Final answer
    x = 4,647,966.30

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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.