Home / 40,199,409.28-55,470,149.76-27,175,006.72

Finding the Fourth Proportional to 40,199,409.28, 55,470,149.76 and 27,175,006.72

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Solution

The fourth proportional to 40,199,409.28, 55,470,149.76 and 27,175,006.72 is: 37,498,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199,409.28 : 55,470,149.76 = 27,175,006.72 : x
  2. Step 2: Convert to fraction form
    40,199,409.28/55,470,149.76 = 27,175,006.72/x
  3. Step 3: Cross multiply
    40,199,409.28x = 55,470,149.76 × 27,175,006.72
  4. Step 4: Simplify right side
    40,199,409.28x = 1,507,401,692,487,406.25
  5. Step 5: Solve for x
    x = 1,507,401,692,487,406.25/40,199,409.28
  6. Step 6: Final answer
    x = 37,498,105.56

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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.