Home / 13,781,434.54-20,676,496.42-6,494,599.92

Finding the Fourth Proportional to 13,781,434.54, 20,676,496.42 and 6,494,599.92

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Solution

The fourth proportional to 13,781,434.54, 20,676,496.42 and 6,494,599.92 is: 9,743,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,434.54 : 20,676,496.42 = 6,494,599.92 : x
  2. Step 2: Convert to fraction form
    13,781,434.54/20,676,496.42 = 6,494,599.92/x
  3. Step 3: Cross multiply
    13,781,434.54x = 20,676,496.42 × 6,494,599.92
  4. Step 4: Simplify right side
    13,781,434.54x = 134,285,571,995,212.30
  5. Step 5: Solve for x
    x = 134,285,571,995,212.30/13,781,434.54
  6. Step 6: Final answer
    x = 9,743,947.31

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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.