Home / 21,589,345.08-29,792,486.31-11,799,709.79

Finding the Fourth Proportional to 21,589,345.08, 29,792,486.31 and 11,799,709.79

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Solution

The fourth proportional to 21,589,345.08, 29,792,486.31 and 11,799,709.79 is: 16,283,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589,345.08 : 29,792,486.31 = 11,799,709.79 : x
  2. Step 2: Convert to fraction form
    21,589,345.08/29,792,486.31 = 11,799,709.79/x
  3. Step 3: Cross multiply
    21,589,345.08x = 29,792,486.31 × 11,799,709.79
  4. Step 4: Simplify right side
    21,589,345.08x = 351,542,692,231,585.56
  5. Step 5: Solve for x
    x = 351,542,692,231,585.56/21,589,345.08
  6. Step 6: Final answer
    x = 16,283,156.85

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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.