Home / 15,383,642.40-21,235,963.17-9,585,288.92

Finding the Fourth Proportional to 15,383,642.40, 21,235,963.17 and 9,585,288.92

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Solution

The fourth proportional to 15,383,642.40, 21,235,963.17 and 9,585,288.92 is: 13,231,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,642.40 : 21,235,963.17 = 9,585,288.92 : x
  2. Step 2: Convert to fraction form
    15,383,642.40/21,235,963.17 = 9,585,288.92/x
  3. Step 3: Cross multiply
    15,383,642.40x = 21,235,963.17 × 9,585,288.92
  4. Step 4: Simplify right side
    15,383,642.40x = 203,552,842,372,749.25
  5. Step 5: Solve for x
    x = 203,552,842,372,749.25/15,383,642.40
  6. Step 6: Final answer
    x = 13,231,771.58

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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.