Home / 15,436,745.36-21,304,016.92-8,563,441.76

Finding the Fourth Proportional to 15,436,745.36, 21,304,016.92 and 8,563,441.76

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Solution

The fourth proportional to 15,436,745.36, 21,304,016.92 and 8,563,441.76 is: 11,818,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436,745.36 : 21,304,016.92 = 8,563,441.76 : x
  2. Step 2: Convert to fraction form
    15,436,745.36/21,304,016.92 = 8,563,441.76/x
  3. Step 3: Cross multiply
    15,436,745.36x = 21,304,016.92 × 8,563,441.76
  4. Step 4: Simplify right side
    15,436,745.36x = 182,435,708,148,474.59
  5. Step 5: Solve for x
    x = 182,435,708,148,474.59/15,436,745.36
  6. Step 6: Final answer
    x = 11,818,275.41

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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.