Home / 12,252,763.32-18,381,141.42-3,617,736.63

Finding the Fourth Proportional to 12,252,763.32, 18,381,141.42 and 3,617,736.63

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Solution

The fourth proportional to 12,252,763.32, 18,381,141.42 and 3,617,736.63 is: 5,427,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,763.32 : 18,381,141.42 = 3,617,736.63 : x
  2. Step 2: Convert to fraction form
    12,252,763.32/18,381,141.42 = 3,617,736.63/x
  3. Step 3: Cross multiply
    12,252,763.32x = 18,381,141.42 × 3,617,736.63
  4. Step 4: Simplify right side
    12,252,763.32x = 66,498,128,524,438.52
  5. Step 5: Solve for x
    x = 66,498,128,524,438.52/12,252,763.32
  6. Step 6: Final answer
    x = 5,427,194.41

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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.