Home / 36,918,103.28-50,948,010.27-20,399,297.61

Finding the Fourth Proportional to 36,918,103.28, 50,948,010.27 and 20,399,297.61

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Solution

The fourth proportional to 36,918,103.28, 50,948,010.27 and 20,399,297.61 is: 28,151,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,918,103.28 : 50,948,010.27 = 20,399,297.61 : x
  2. Step 2: Convert to fraction form
    36,918,103.28/50,948,010.27 = 20,399,297.61/x
  3. Step 3: Cross multiply
    36,918,103.28x = 50,948,010.27 × 20,399,297.61
  4. Step 4: Simplify right side
    36,918,103.28x = 1,039,303,624,033,070
  5. Step 5: Solve for x
    x = 1,039,303,624,033,070/36,918,103.28
  6. Step 6: Final answer
    x = 28,151,598.58

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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.