Home / 11,880,436.46-16,402,407.05-8,165,663.87

Finding the Fourth Proportional to 11,880,436.46, 16,402,407.05 and 8,165,663.87

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Solution

The fourth proportional to 11,880,436.46, 16,402,407.05 and 8,165,663.87 is: 11,273,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,436.46 : 16,402,407.05 = 8,165,663.87 : x
  2. Step 2: Convert to fraction form
    11,880,436.46/16,402,407.05 = 8,165,663.87/x
  3. Step 3: Cross multiply
    11,880,436.46x = 16,402,407.05 × 8,165,663.87
  4. Step 4: Simplify right side
    11,880,436.46x = 133,936,542,567,620.41
  5. Step 5: Solve for x
    x = 133,936,542,567,620.41/11,880,436.46
  6. Step 6: Final answer
    x = 11,273,705.56

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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.