Home / 18,315,348.48-25,275,277.44-11,443,812.48

Finding the Fourth Proportional to 18,315,348.48, 25,275,277.44 and 11,443,812.48

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Solution

The fourth proportional to 18,315,348.48, 25,275,277.44 and 11,443,812.48 is: 15,792,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315,348.48 : 25,275,277.44 = 11,443,812.48 : x
  2. Step 2: Convert to fraction form
    18,315,348.48/25,275,277.44 = 11,443,812.48/x
  3. Step 3: Cross multiply
    18,315,348.48x = 25,275,277.44 × 11,443,812.48
  4. Step 4: Simplify right side
    18,315,348.48x = 289,245,535,403,334.50
  5. Step 5: Solve for x
    x = 289,245,535,403,334.50/18,315,348.48
  6. Step 6: Final answer
    x = 15,792,521.54

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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.