Home / 20,200,407.75-27,876,562.70-11,033,072.37

Finding the Fourth Proportional to 20,200,407.75, 27,876,562.70 and 11,033,072.37

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Solution

The fourth proportional to 20,200,407.75, 27,876,562.70 and 11,033,072.37 is: 15,225,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,407.75 : 27,876,562.70 = 11,033,072.37 : x
  2. Step 2: Convert to fraction form
    20,200,407.75/27,876,562.70 = 11,033,072.37/x
  3. Step 3: Cross multiply
    20,200,407.75x = 27,876,562.70 × 11,033,072.37
  4. Step 4: Simplify right side
    20,200,407.75x = 307,564,133,640,777.19
  5. Step 5: Solve for x
    x = 307,564,133,640,777.19/20,200,407.75
  6. Step 6: Final answer
    x = 15,225,639.87

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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.