Home / 20,389,278.89-30,580,572.74-5,613,927.14

Finding the Fourth Proportional to 20,389,278.89, 30,580,572.74 and 5,613,927.14

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Solution

The fourth proportional to 20,389,278.89, 30,580,572.74 and 5,613,927.14 is: 8,419,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389,278.89 : 30,580,572.74 = 5,613,927.14 : x
  2. Step 2: Convert to fraction form
    20,389,278.89/30,580,572.74 = 5,613,927.14/x
  3. Step 3: Cross multiply
    20,389,278.89x = 30,580,572.74 × 5,613,927.14
  4. Step 4: Simplify right side
    20,389,278.89x = 171,677,107,310,211.97
  5. Step 5: Solve for x
    x = 171,677,107,310,211.97/20,389,278.89
  6. Step 6: Final answer
    x = 8,419,969.54

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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.