Home / 40,182,376.04-55,451,289.22-21,847,661.56

Finding the Fourth Proportional to 40,182,376.04, 55,451,289.22 and 21,847,661.56

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Solution

The fourth proportional to 40,182,376.04, 55,451,289.22 and 21,847,661.56 is: 30,149,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,182,376.04 : 55,451,289.22 = 21,847,661.56 : x
  2. Step 2: Convert to fraction form
    40,182,376.04/55,451,289.22 = 21,847,661.56/x
  3. Step 3: Cross multiply
    40,182,376.04x = 55,451,289.22 × 21,847,661.56
  4. Step 4: Simplify right side
    40,182,376.04x = 1,211,480,999,944,236.25
  5. Step 5: Solve for x
    x = 1,211,480,999,944,236.25/40,182,376.04
  6. Step 6: Final answer
    x = 30,149,561.06

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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.