Home / 18,694,589.97-28,039,080.14-5,913,433.92

Finding the Fourth Proportional to 18,694,589.97, 28,039,080.14 and 5,913,433.92

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Solution

The fourth proportional to 18,694,589.97, 28,039,080.14 and 5,913,433.92 is: 8,869,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694,589.97 : 28,039,080.14 = 5,913,433.92 : x
  2. Step 2: Convert to fraction form
    18,694,589.97/28,039,080.14 = 5,913,433.92/x
  3. Step 3: Cross multiply
    18,694,589.97x = 28,039,080.14 × 5,913,433.92
  4. Step 4: Simplify right side
    18,694,589.97x = 165,807,247,555,907.19
  5. Step 5: Solve for x
    x = 165,807,247,555,907.19/18,694,589.97
  6. Step 6: Final answer
    x = 8,869,263.67

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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.