Home / 38,400,945.75-57,601,474.05-15,681,843

Finding the Fourth Proportional to 38,400,945.75, 57,601,474.05 and 15,681,843

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Solution

The fourth proportional to 38,400,945.75, 57,601,474.05 and 15,681,843 is: 23,522,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400,945.75 : 57,601,474.05 = 15,681,843 : x
  2. Step 2: Convert to fraction form
    38,400,945.75/57,601,474.05 = 15,681,843/x
  3. Step 3: Cross multiply
    38,400,945.75x = 57,601,474.05 × 15,681,843
  4. Step 4: Simplify right side
    38,400,945.75x = 903,297,272,620,674.12
  5. Step 5: Solve for x
    x = 903,297,272,620,674.12/38,400,945.75
  6. Step 6: Final answer
    x = 23,522,787.13

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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.