Home / 28,214,187.54-42,320,902.96-7,743,882.91

Finding the Fourth Proportional to 28,214,187.54, 42,320,902.96 and 7,743,882.91

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Solution

The fourth proportional to 28,214,187.54, 42,320,902.96 and 7,743,882.91 is: 11,615,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214,187.54 : 42,320,902.96 = 7,743,882.91 : x
  2. Step 2: Convert to fraction form
    28,214,187.54/42,320,902.96 = 7,743,882.91/x
  3. Step 3: Cross multiply
    28,214,187.54x = 42,320,902.96 × 7,743,882.91
  4. Step 4: Simplify right side
    28,214,187.54x = 327,728,117,167,712.44
  5. Step 5: Solve for x
    x = 327,728,117,167,712.44/28,214,187.54
  6. Step 6: Final answer
    x = 11,615,720.52

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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.