Home / 13,781,528.33-20,649,546.07-8,008,055.62

Finding the Fourth Proportional to 13,781,528.33, 20,649,546.07 and 8,008,055.62

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Solution

The fourth proportional to 13,781,528.33, 20,649,546.07 and 8,008,055.62 is: 11,998,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,528.33 : 20,649,546.07 = 8,008,055.62 : x
  2. Step 2: Convert to fraction form
    13,781,528.33/20,649,546.07 = 8,008,055.62/x
  3. Step 3: Cross multiply
    13,781,528.33x = 20,649,546.07 × 8,008,055.62
  4. Step 4: Simplify right side
    13,781,528.33x = 165,362,713,384,668.41
  5. Step 5: Solve for x
    x = 165,362,713,384,668.41/13,781,528.33
  6. Step 6: Final answer
    x = 11,998,866.13

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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.