Home / 18,491,123.14-25,516,364.25-10,340,786.50

Finding the Fourth Proportional to 18,491,123.14, 25,516,364.25 and 10,340,786.50

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Solution

The fourth proportional to 18,491,123.14, 25,516,364.25 and 10,340,786.50 is: 14,269,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491,123.14 : 25,516,364.25 = 10,340,786.50 : x
  2. Step 2: Convert to fraction form
    18,491,123.14/25,516,364.25 = 10,340,786.50/x
  3. Step 3: Cross multiply
    18,491,123.14x = 25,516,364.25 × 10,340,786.50
  4. Step 4: Simplify right side
    18,491,123.14x = 263,859,274,965,482.62
  5. Step 5: Solve for x
    x = 263,859,274,965,482.62/18,491,123.14
  6. Step 6: Final answer
    x = 14,269,510.45

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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.