Home / 20,424,935.82-30,638,181.33-7,644,094.86

Finding the Fourth Proportional to 20,424,935.82, 30,638,181.33 and 7,644,094.86

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Solution

The fourth proportional to 20,424,935.82, 30,638,181.33 and 7,644,094.86 is: 11,466,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,424,935.82 : 30,638,181.33 = 7,644,094.86 : x
  2. Step 2: Convert to fraction form
    20,424,935.82/30,638,181.33 = 7,644,094.86/x
  3. Step 3: Cross multiply
    20,424,935.82x = 30,638,181.33 × 7,644,094.86
  4. Step 4: Simplify right side
    20,424,935.82x = 234,201,164,424,400.97
  5. Step 5: Solve for x
    x = 234,201,164,424,400.97/20,424,935.82
  6. Step 6: Final answer
    x = 11,466,433.31

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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.