Home / 15,383,644.29-21,235,965.84-9,585,290.82

Finding the Fourth Proportional to 15,383,644.29, 21,235,965.84 and 9,585,290.82

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Solution

The fourth proportional to 15,383,644.29, 21,235,965.84 and 9,585,290.82 is: 13,231,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,644.29 : 21,235,965.84 = 9,585,290.82 : x
  2. Step 2: Convert to fraction form
    15,383,644.29/21,235,965.84 = 9,585,290.82/x
  3. Step 3: Cross multiply
    15,383,644.29x = 21,235,965.84 × 9,585,290.82
  4. Step 4: Simplify right side
    15,383,644.29x = 203,552,908,419,985.59
  5. Step 5: Solve for x
    x = 203,552,908,419,985.59/15,383,644.29
  6. Step 6: Final answer
    x = 13,231,774.25

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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.