Home / 27,689,156.60-38,212,835.82-15,299,251.52

Finding the Fourth Proportional to 27,689,156.60, 38,212,835.82 and 15,299,251.52

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Solution

The fourth proportional to 27,689,156.60, 38,212,835.82 and 15,299,251.52 is: 21,113,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,689,156.60 : 38,212,835.82 = 15,299,251.52 : x
  2. Step 2: Convert to fraction form
    27,689,156.60/38,212,835.82 = 15,299,251.52/x
  3. Step 3: Cross multiply
    27,689,156.60x = 38,212,835.82 × 15,299,251.52
  4. Step 4: Simplify right side
    27,689,156.60x = 584,627,786,502,645.38
  5. Step 5: Solve for x
    x = 584,627,786,502,645.38/27,689,156.60
  6. Step 6: Final answer
    x = 21,113,961.50

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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.