Home / 13,720,441.32-20,562,374.94-7,241,993.70

Finding the Fourth Proportional to 13,720,441.32, 20,562,374.94 and 7,241,993.70

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Solution

The fourth proportional to 13,720,441.32, 20,562,374.94 and 7,241,993.70 is: 10,853,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720,441.32 : 20,562,374.94 = 7,241,993.70 : x
  2. Step 2: Convert to fraction form
    13,720,441.32/20,562,374.94 = 7,241,993.70/x
  3. Step 3: Cross multiply
    13,720,441.32x = 20,562,374.94 × 7,241,993.70
  4. Step 4: Simplify right side
    13,720,441.32x = 148,912,589,772,517.91
  5. Step 5: Solve for x
    x = 148,912,589,772,517.91/13,720,441.32
  6. Step 6: Final answer
    x = 10,853,338.19

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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.