Home / 12,290,718.40-18,436,077.60-3,769,947.70

Finding the Fourth Proportional to 12,290,718.40, 18,436,077.60 and 3,769,947.70

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Solution

The fourth proportional to 12,290,718.40, 18,436,077.60 and 3,769,947.70 is: 5,654,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290,718.40 : 18,436,077.60 = 3,769,947.70 : x
  2. Step 2: Convert to fraction form
    12,290,718.40/18,436,077.60 = 3,769,947.70/x
  3. Step 3: Cross multiply
    12,290,718.40x = 18,436,077.60 × 3,769,947.70
  4. Step 4: Simplify right side
    12,290,718.40x = 69,503,048,345,141.53
  5. Step 5: Solve for x
    x = 69,503,048,345,141.53/12,290,718.40
  6. Step 6: Final answer
    x = 5,654,921.55

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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.