Home / 12,234,378.39-16,883,876.42-6,728,171.88

Finding the Fourth Proportional to 12,234,378.39, 16,883,876.42 and 6,728,171.88

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Solution

The fourth proportional to 12,234,378.39, 16,883,876.42 and 6,728,171.88 is: 9,285,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234,378.39 : 16,883,876.42 = 6,728,171.88 : x
  2. Step 2: Convert to fraction form
    12,234,378.39/16,883,876.42 = 6,728,171.88/x
  3. Step 3: Cross multiply
    12,234,378.39x = 16,883,876.42 × 6,728,171.88
  4. Step 4: Simplify right side
    12,234,378.39x = 113,597,622,554,439.08
  5. Step 5: Solve for x
    x = 113,597,622,554,439.08/12,234,378.39
  6. Step 6: Final answer
    x = 9,285,116.00

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1.5x scale

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.