Home / 12,521,906.40-17,272,201.44-8,599,769.76

Finding the Fourth Proportional to 12,521,906.40, 17,272,201.44 and 8,599,769.76

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Solution

The fourth proportional to 12,521,906.40, 17,272,201.44 and 8,599,769.76 is: 11,862,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,906.40 : 17,272,201.44 = 8,599,769.76 : x
  2. Step 2: Convert to fraction form
    12,521,906.40/17,272,201.44 = 8,599,769.76/x
  3. Step 3: Cross multiply
    12,521,906.40x = 17,272,201.44 × 8,599,769.76
  4. Step 4: Simplify right side
    12,521,906.40x = 148,536,955,632,340.47
  5. Step 5: Solve for x
    x = 148,536,955,632,340.47/12,521,906.40
  6. Step 6: Final answer
    x = 11,862,167.86

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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.