Home / 11,880,441.71-16,402,414.31-8,165,669.12

Finding the Fourth Proportional to 11,880,441.71, 16,402,414.31 and 8,165,669.12

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Solution

The fourth proportional to 11,880,441.71, 16,402,414.31 and 8,165,669.12 is: 11,273,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,441.71 : 16,402,414.31 = 8,165,669.12 : x
  2. Step 2: Convert to fraction form
    11,880,441.71/16,402,414.31 = 8,165,669.12/x
  3. Step 3: Cross multiply
    11,880,441.71x = 16,402,414.31 × 8,165,669.12
  4. Step 4: Simplify right side
    11,880,441.71x = 133,936,687,901,772.69
  5. Step 5: Solve for x
    x = 133,936,687,901,772.69/11,880,441.71
  6. Step 6: Final answer
    x = 11,273,712.82

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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.