Home / 38,952,961.79-53,753,472.38-21,311,777.79

Finding the Fourth Proportional to 38,952,961.79, 53,753,472.38 and 21,311,777.79

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Solution

The fourth proportional to 38,952,961.79, 53,753,472.38 and 21,311,777.79 is: 29,409,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,952,961.79 : 53,753,472.38 = 21,311,777.79 : x
  2. Step 2: Convert to fraction form
    38,952,961.79/53,753,472.38 = 21,311,777.79/x
  3. Step 3: Cross multiply
    38,952,961.79x = 53,753,472.38 × 21,311,777.79
  4. Step 4: Simplify right side
    38,952,961.79x = 1,145,582,058,696,903.50
  5. Step 5: Solve for x
    x = 1,145,582,058,696,903.50/38,952,961.79
  6. Step 6: Final answer
    x = 29,409,369.82

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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.