Home / 11,392,422.76-15,721,641.45-6,497,892.78

Finding the Fourth Proportional to 11,392,422.76, 15,721,641.45 and 6,497,892.78

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Solution

The fourth proportional to 11,392,422.76, 15,721,641.45 and 6,497,892.78 is: 8,967,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392,422.76 : 15,721,641.45 = 6,497,892.78 : x
  2. Step 2: Convert to fraction form
    11,392,422.76/15,721,641.45 = 6,497,892.78/x
  3. Step 3: Cross multiply
    11,392,422.76x = 15,721,641.45 × 6,497,892.78
  4. Step 4: Simplify right side
    11,392,422.76x = 102,157,540,467,703.73
  5. Step 5: Solve for x
    x = 102,157,540,467,703.73/11,392,422.76
  6. Step 6: Final answer
    x = 8,967,147.96

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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.