Home / 15,268,529.43-21,080,716.80-11,730,023.82

Finding the Fourth Proportional to 15,268,529.43, 21,080,716.80 and 11,730,023.82

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Solution

The fourth proportional to 15,268,529.43, 21,080,716.80 and 11,730,023.82 is: 16,195,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,529.43 : 21,080,716.80 = 11,730,023.82 : x
  2. Step 2: Convert to fraction form
    15,268,529.43/21,080,716.80 = 11,730,023.82/x
  3. Step 3: Cross multiply
    15,268,529.43x = 21,080,716.80 × 11,730,023.82
  4. Step 4: Simplify right side
    15,268,529.43x = 247,277,310,206,674.19
  5. Step 5: Solve for x
    x = 247,277,310,206,674.19/15,268,529.43
  6. Step 6: Final answer
    x = 16,195,227.67

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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.