Home / 18,701,846.40-25,808,295.67-10,442,035.82

Finding the Fourth Proportional to 18,701,846.40, 25,808,295.67 and 10,442,035.82

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Solution

The fourth proportional to 18,701,846.40, 25,808,295.67 and 10,442,035.82 is: 14,409,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,846.40 : 25,808,295.67 = 10,442,035.82 : x
  2. Step 2: Convert to fraction form
    18,701,846.40/25,808,295.67 = 10,442,035.82/x
  3. Step 3: Cross multiply
    18,701,846.40x = 25,808,295.67 × 10,442,035.82
  4. Step 4: Simplify right side
    18,701,846.40x = 269,491,147,839,290.94
  5. Step 5: Solve for x
    x = 269,491,147,839,290.94/18,701,846.40
  6. Step 6: Final answer
    x = 14,409,868.53

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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.