Home / 18,401,928.87-25,393,625.71-10,141,965.61

Finding the Fourth Proportional to 18,401,928.87, 25,393,625.71 and 10,141,965.61

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Solution

The fourth proportional to 18,401,928.87, 25,393,625.71 and 10,141,965.61 is: 13,995,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,928.87 : 25,393,625.71 = 10,141,965.61 : x
  2. Step 2: Convert to fraction form
    18,401,928.87/25,393,625.71 = 10,141,965.61/x
  3. Step 3: Cross multiply
    18,401,928.87x = 25,393,625.71 × 10,141,965.61
  4. Step 4: Simplify right side
    18,401,928.87x = 257,541,278,664,342.56
  5. Step 5: Solve for x
    x = 257,541,278,664,342.56/18,401,928.87
  6. Step 6: Final answer
    x = 13,995,341.49

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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.