Home / 13,191,947.46-18,204,447.30-7,311,331.08

Finding the Fourth Proportional to 13,191,947.46, 18,204,447.30 and 7,311,331.08

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Solution

The fourth proportional to 13,191,947.46, 18,204,447.30 and 7,311,331.08 is: 10,089,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,947.46 : 18,204,447.30 = 7,311,331.08 : x
  2. Step 2: Convert to fraction form
    13,191,947.46/18,204,447.30 = 7,311,331.08/x
  3. Step 3: Cross multiply
    13,191,947.46x = 18,204,447.30 × 7,311,331.08
  4. Step 4: Simplify right side
    13,191,947.46x = 133,098,741,338,712.09
  5. Step 5: Solve for x
    x = 133,098,741,338,712.09/13,191,947.46
  6. Step 6: Final answer
    x = 10,089,392.92

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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.