Home / 11,731,092.71-17,606,769.65-8,139,381.92

Finding the Fourth Proportional to 11,731,092.71, 17,606,769.65 and 8,139,381.92

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Solution

The fourth proportional to 11,731,092.71, 17,606,769.65 and 8,139,381.92 is: 12,216,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731,092.71 : 17,606,769.65 = 8,139,381.92 : x
  2. Step 2: Convert to fraction form
    11,731,092.71/17,606,769.65 = 8,139,381.92/x
  3. Step 3: Cross multiply
    11,731,092.71x = 17,606,769.65 × 8,139,381.92
  4. Step 4: Simplify right side
    11,731,092.71x = 143,308,222,430,083.97
  5. Step 5: Solve for x
    x = 143,308,222,430,083.97/11,731,092.71
  6. Step 6: Final answer
    x = 12,216,101.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.