Home / 8,189,043.20-12,283,564.80-6,299,475.20

Finding the Fourth Proportional to 8,189,043.20, 12,283,564.80 and 6,299,475.20

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Solution

The fourth proportional to 8,189,043.20, 12,283,564.80 and 6,299,475.20 is: 9,449,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,043.20 : 12,283,564.80 = 6,299,475.20 : x
  2. Step 2: Convert to fraction form
    8,189,043.20/12,283,564.80 = 6,299,475.20/x
  3. Step 3: Cross multiply
    8,189,043.20x = 12,283,564.80 × 6,299,475.20
  4. Step 4: Simplify right side
    8,189,043.20x = 77,380,011,825,192.97
  5. Step 5: Solve for x
    x = 77,380,011,825,192.97/8,189,043.20
  6. Step 6: Final answer
    x = 9,449,212.80

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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.