Home / 15,838,425.75-21,857,027.54-8,595,081.75

Finding the Fourth Proportional to 15,838,425.75, 21,857,027.54 and 8,595,081.75

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Solution

The fourth proportional to 15,838,425.75, 21,857,027.54 and 8,595,081.75 is: 11,861,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838,425.75 : 21,857,027.54 = 8,595,081.75 : x
  2. Step 2: Convert to fraction form
    15,838,425.75/21,857,027.54 = 8,595,081.75/x
  3. Step 3: Cross multiply
    15,838,425.75x = 21,857,027.54 × 8,595,081.75
  4. Step 4: Simplify right side
    15,838,425.75x = 187,862,938,475,326
  5. Step 5: Solve for x
    x = 187,862,938,475,326/15,838,425.75
  6. Step 6: Final answer
    x = 11,861,212.82

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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.