Home / 12,360,910.80-18,541,366.20-9,969,426.30

Finding the Fourth Proportional to 12,360,910.80, 18,541,366.20 and 9,969,426.30

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Solution

The fourth proportional to 12,360,910.80, 18,541,366.20 and 9,969,426.30 is: 14,954,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360,910.80 : 18,541,366.20 = 9,969,426.30 : x
  2. Step 2: Convert to fraction form
    12,360,910.80/18,541,366.20 = 9,969,426.30/x
  3. Step 3: Cross multiply
    12,360,910.80x = 18,541,366.20 × 9,969,426.30
  4. Step 4: Simplify right side
    12,360,910.80x = 184,846,783,832,211.06
  5. Step 5: Solve for x
    x = 184,846,783,832,211.06/12,360,910.80
  6. Step 6: Final answer
    x = 14,954,139.45

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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.