Home / 37,003,107.57-55,559,224.17-20,640,360.57

Finding the Fourth Proportional to 37,003,107.57, 55,559,224.17 and 20,640,360.57

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Solution

The fourth proportional to 37,003,107.57, 55,559,224.17 and 20,640,360.57 is: 30,990,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,003,107.57 : 55,559,224.17 = 20,640,360.57 : x
  2. Step 2: Convert to fraction form
    37,003,107.57/55,559,224.17 = 20,640,360.57/x
  3. Step 3: Cross multiply
    37,003,107.57x = 55,559,224.17 × 20,640,360.57
  4. Step 4: Simplify right side
    37,003,107.57x = 1,146,762,419,858,259
  5. Step 5: Solve for x
    x = 1,146,762,419,858,259/37,003,107.57
  6. Step 6: Final answer
    x = 30,990,976.03

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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.