Home / 13,995,322.56-21,057,019.20-8,319,795.12

Finding the Fourth Proportional to 13,995,322.56, 21,057,019.20 and 8,319,795.12

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Solution

The fourth proportional to 13,995,322.56, 21,057,019.20 and 8,319,795.12 is: 12,517,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995,322.56 : 21,057,019.20 = 8,319,795.12 : x
  2. Step 2: Convert to fraction form
    13,995,322.56/21,057,019.20 = 8,319,795.12/x
  3. Step 3: Cross multiply
    13,995,322.56x = 21,057,019.20 × 8,319,795.12
  4. Step 4: Simplify right side
    13,995,322.56x = 175,190,085,581,906.31
  5. Step 5: Solve for x
    x = 175,190,085,581,906.31/13,995,322.56
  6. Step 6: Final answer
    x = 12,517,759.76

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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.