Home / 18,525,475.47-25,556,772.18-11,180,960.85

Finding the Fourth Proportional to 18,525,475.47, 25,556,772.18 and 11,180,960.85

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Solution

The fourth proportional to 18,525,475.47, 25,556,772.18 and 11,180,960.85 is: 15,424,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525,475.47 : 25,556,772.18 = 11,180,960.85 : x
  2. Step 2: Convert to fraction form
    18,525,475.47/25,556,772.18 = 11,180,960.85/x
  3. Step 3: Cross multiply
    18,525,475.47x = 25,556,772.18 × 11,180,960.85
  4. Step 4: Simplify right side
    18,525,475.47x = 285,749,269,196,949.12
  5. Step 5: Solve for x
    x = 285,749,269,196,949.12/18,525,475.47
  6. Step 6: Final answer
    x = 15,424,665.87

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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.