Home / 40,090,753.44-55,325,275.92-21,756,039.12

Finding the Fourth Proportional to 40,090,753.44, 55,325,275.92 and 21,756,039.12

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Solution

The fourth proportional to 40,090,753.44, 55,325,275.92 and 21,756,039.12 is: 30,023,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,753.44 : 55,325,275.92 = 21,756,039.12 : x
  2. Step 2: Convert to fraction form
    40,090,753.44/55,325,275.92 = 21,756,039.12/x
  3. Step 3: Cross multiply
    40,090,753.44x = 55,325,275.92 × 21,756,039.12
  4. Step 4: Simplify right side
    40,090,753.44x = 1,203,658,867,240,314
  5. Step 5: Solve for x
    x = 1,203,658,867,240,314/40,090,753.44
  6. Step 6: Final answer
    x = 30,023,353.62

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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.