Home / 20,062,167.62-30,083,765.03-7,771,887.38

Finding the Fourth Proportional to 20,062,167.62, 30,083,765.03 and 7,771,887.38

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Solution

The fourth proportional to 20,062,167.62, 30,083,765.03 and 7,771,887.38 is: 11,654,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062,167.62 : 30,083,765.03 = 7,771,887.38 : x
  2. Step 2: Convert to fraction form
    20,062,167.62/30,083,765.03 = 7,771,887.38/x
  3. Step 3: Cross multiply
    20,062,167.62x = 30,083,765.03 × 7,771,887.38
  4. Step 4: Simplify right side
    20,062,167.62x = 233,807,633,845,036.88
  5. Step 5: Solve for x
    x = 233,807,633,845,036.88/20,062,167.62
  6. Step 6: Final answer
    x = 11,654,156.13

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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.