Home / 8,670,643.20-13,005,964.80-4,419,115.20

Finding the Fourth Proportional to 8,670,643.20, 13,005,964.80 and 4,419,115.20

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Solution

The fourth proportional to 8,670,643.20, 13,005,964.80 and 4,419,115.20 is: 6,628,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,643.20 : 13,005,964.80 = 4,419,115.20 : x
  2. Step 2: Convert to fraction form
    8,670,643.20/13,005,964.80 = 4,419,115.20/x
  3. Step 3: Cross multiply
    8,670,643.20x = 13,005,964.80 × 4,419,115.20
  4. Step 4: Simplify right side
    8,670,643.20x = 57,474,856,738,344.97
  5. Step 5: Solve for x
    x = 57,474,856,738,344.97/8,670,643.20
  6. Step 6: Final answer
    x = 6,628,672.80

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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.