Home / 12,474,334.20-18,711,501.30-8,435,382.60

Finding the Fourth Proportional to 12,474,334.20, 18,711,501.30 and 8,435,382.60

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Solution

The fourth proportional to 12,474,334.20, 18,711,501.30 and 8,435,382.60 is: 12,653,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,334.20 : 18,711,501.30 = 8,435,382.60 : x
  2. Step 2: Convert to fraction form
    12,474,334.20/18,711,501.30 = 8,435,382.60/x
  3. Step 3: Cross multiply
    12,474,334.20x = 18,711,501.30 × 8,435,382.60
  4. Step 4: Simplify right side
    12,474,334.20x = 157,838,672,485,897.38
  5. Step 5: Solve for x
    x = 157,838,672,485,897.38/12,474,334.20
  6. Step 6: Final answer
    x = 12,653,073.90

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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.