Home / 21,888,061.92-30,205,647.36-11,964,961.17

Finding the Fourth Proportional to 21,888,061.92, 30,205,647.36 and 11,964,961.17

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Solution

The fourth proportional to 21,888,061.92, 30,205,647.36 and 11,964,961.17 is: 16,511,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,061.92 : 30,205,647.36 = 11,964,961.17 : x
  2. Step 2: Convert to fraction form
    21,888,061.92/30,205,647.36 = 11,964,961.17/x
  3. Step 3: Cross multiply
    21,888,061.92x = 30,205,647.36 × 11,964,961.17
  4. Step 4: Simplify right side
    21,888,061.92x = 361,409,397,777,113
  5. Step 5: Solve for x
    x = 361,409,397,777,113/21,888,061.92
  6. Step 6: Final answer
    x = 16,511,713.06

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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.