Home / 18,315,349.48-25,275,278.82-11,443,813.48

Finding the Fourth Proportional to 18,315,349.48, 25,275,278.82 and 11,443,813.48

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Solution

The fourth proportional to 18,315,349.48, 25,275,278.82 and 11,443,813.48 is: 15,792,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315,349.48 : 25,275,278.82 = 11,443,813.48 : x
  2. Step 2: Convert to fraction form
    18,315,349.48/25,275,278.82 = 11,443,813.48/x
  3. Step 3: Cross multiply
    18,315,349.48x = 25,275,278.82 × 11,443,813.48
  4. Step 4: Simplify right side
    18,315,349.48x = 289,245,576,471,074.50
  5. Step 5: Solve for x
    x = 289,245,576,471,074.50/18,315,349.48
  6. Step 6: Final answer
    x = 15,792,522.92

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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.