Home / 40,090,757.44-55,325,281.44-21,756,043.12

Finding the Fourth Proportional to 40,090,757.44, 55,325,281.44 and 21,756,043.12

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Solution

The fourth proportional to 40,090,757.44, 55,325,281.44 and 21,756,043.12 is: 30,023,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,757.44 : 55,325,281.44 = 21,756,043.12 : x
  2. Step 2: Convert to fraction form
    40,090,757.44/55,325,281.44 = 21,756,043.12/x
  3. Step 3: Cross multiply
    40,090,757.44x = 55,325,281.44 × 21,756,043.12
  4. Step 4: Simplify right side
    40,090,757.44x = 1,203,659,208,634,775.75
  5. Step 5: Solve for x
    x = 1,203,659,208,634,775.75/40,090,757.44
  6. Step 6: Final answer
    x = 30,023,359.14

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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.