Home / 39,260,931.56-54,179,027.03-21,857,278.31

Finding the Fourth Proportional to 39,260,931.56, 54,179,027.03 and 21,857,278.31

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Solution

The fourth proportional to 39,260,931.56, 54,179,027.03 and 21,857,278.31 is: 30,162,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,260,931.56 : 54,179,027.03 = 21,857,278.31 : x
  2. Step 2: Convert to fraction form
    39,260,931.56/54,179,027.03 = 21,857,278.31/x
  3. Step 3: Cross multiply
    39,260,931.56x = 54,179,027.03 × 21,857,278.31
  4. Step 4: Simplify right side
    39,260,931.56x = 1,184,206,072,250,436.25
  5. Step 5: Solve for x
    x = 1,184,206,072,250,436.25/39,260,931.56
  6. Step 6: Final answer
    x = 30,162,454.77

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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.