Home / 20,033,516.60-27,645,981.60-11,212,965.25

Finding the Fourth Proportional to 20,033,516.60, 27,645,981.60 and 11,212,965.25

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Solution

The fourth proportional to 20,033,516.60, 27,645,981.60 and 11,212,965.25 is: 15,473,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033,516.60 : 27,645,981.60 = 11,212,965.25 : x
  2. Step 2: Convert to fraction form
    20,033,516.60/27,645,981.60 = 11,212,965.25/x
  3. Step 3: Cross multiply
    20,033,516.60x = 27,645,981.60 × 11,212,965.25
  4. Step 4: Simplify right side
    20,033,516.60x = 309,993,430,982,939.44
  5. Step 5: Solve for x
    x = 309,993,430,982,939.44/20,033,516.60
  6. Step 6: Final answer
    x = 15,473,740.19

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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.