Home / 18,401,929.87-25,393,627.09-10,141,966.61

Finding the Fourth Proportional to 18,401,929.87, 25,393,627.09 and 10,141,966.61

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Solution

The fourth proportional to 18,401,929.87, 25,393,627.09 and 10,141,966.61 is: 13,995,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,929.87 : 25,393,627.09 = 10,141,966.61 : x
  2. Step 2: Convert to fraction form
    18,401,929.87/25,393,627.09 = 10,141,966.61/x
  3. Step 3: Cross multiply
    18,401,929.87x = 25,393,627.09 × 10,141,966.61
  4. Step 4: Simplify right side
    18,401,929.87x = 257,541,318,053,571.44
  5. Step 5: Solve for x
    x = 257,541,318,053,571.44/18,401,929.87
  6. Step 6: Final answer
    x = 13,995,342.87

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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.