Home / 18,311,022.34-25,257,716.78-10,863,411.57

Finding the Fourth Proportional to 18,311,022.34, 25,257,716.78 and 10,863,411.57

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Solution

The fourth proportional to 18,311,022.34, 25,257,716.78 and 10,863,411.57 is: 14,984,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311,022.34 : 25,257,716.78 = 10,863,411.57 : x
  2. Step 2: Convert to fraction form
    18,311,022.34/25,257,716.78 = 10,863,411.57/x
  3. Step 3: Cross multiply
    18,311,022.34x = 25,257,716.78 × 10,863,411.57
  4. Step 4: Simplify right side
    18,311,022.34x = 274,384,972,519,029.47
  5. Step 5: Solve for x
    x = 274,384,972,519,029.47/18,311,022.34
  6. Step 6: Final answer
    x = 14,984,688.86

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1.5x scale

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.