Home / 15,383,645.29-21,235,967.22-9,585,291.82

Finding the Fourth Proportional to 15,383,645.29, 21,235,967.22 and 9,585,291.82

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Solution

The fourth proportional to 15,383,645.29, 21,235,967.22 and 9,585,291.82 is: 13,231,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,645.29 : 21,235,967.22 = 9,585,291.82 : x
  2. Step 2: Convert to fraction form
    15,383,645.29/21,235,967.22 = 9,585,291.82/x
  3. Step 3: Cross multiply
    15,383,645.29x = 21,235,967.22 × 9,585,291.82
  4. Step 4: Simplify right side
    15,383,645.29x = 203,552,942,883,654.12
  5. Step 5: Solve for x
    x = 203,552,942,883,654.12/15,383,645.29
  6. Step 6: Final answer
    x = 13,231,775.63

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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.