Home / 25,859,787.75-38,789,876.07-11,478,989.43

Finding the Fourth Proportional to 25,859,787.75, 38,789,876.07 and 11,478,989.43

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Solution

The fourth proportional to 25,859,787.75, 38,789,876.07 and 11,478,989.43 is: 17,218,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859,787.75 : 38,789,876.07 = 11,478,989.43 : x
  2. Step 2: Convert to fraction form
    25,859,787.75/38,789,876.07 = 11,478,989.43/x
  3. Step 3: Cross multiply
    25,859,787.75x = 38,789,876.07 × 11,478,989.43
  4. Step 4: Simplify right side
    25,859,787.75x = 445,268,577,398,539.94
  5. Step 5: Solve for x
    x = 445,268,577,398,539.94/25,859,787.75
  6. Step 6: Final answer
    x = 17,218,570.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.