Home / 20,914,918.58-31,372,353.65-7,268,066.12

Finding the Fourth Proportional to 20,914,918.58, 31,372,353.65 and 7,268,066.12

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Solution

The fourth proportional to 20,914,918.58, 31,372,353.65 and 7,268,066.12 is: 10,902,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,918.58 : 31,372,353.65 = 7,268,066.12 : x
  2. Step 2: Convert to fraction form
    20,914,918.58/31,372,353.65 = 7,268,066.12/x
  3. Step 3: Cross multiply
    20,914,918.58x = 31,372,353.65 × 7,268,066.12
  4. Step 4: Simplify right side
    20,914,918.58x = 228,016,340,475,021.25
  5. Step 5: Solve for x
    x = 228,016,340,475,021.25/20,914,918.58
  6. Step 6: Final answer
    x = 10,902,090.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.