Home / 38,765,108.93-53,496,209.09-21,362,076.95

Finding the Fourth Proportional to 38,765,108.93, 53,496,209.09 and 21,362,076.95

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Solution

The fourth proportional to 38,765,108.93, 53,496,209.09 and 21,362,076.95 is: 29,479,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,108.93 : 53,496,209.09 = 21,362,076.95 : x
  2. Step 2: Convert to fraction form
    38,765,108.93/53,496,209.09 = 21,362,076.95/x
  3. Step 3: Cross multiply
    38,765,108.93x = 53,496,209.09 × 21,362,076.95
  4. Step 4: Simplify right side
    38,765,108.93x = 1,142,790,135,007,059
  5. Step 5: Solve for x
    x = 1,142,790,135,007,059/38,765,108.93
  6. Step 6: Final answer
    x = 29,479,863.89

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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.