Home / 7,654,770-11,478,168.38-3,610,171.79

Finding the Fourth Proportional to 7,654,770, 11,478,168.38 and 3,610,171.79

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Solution

The fourth proportional to 7,654,770, 11,478,168.38 and 3,610,171.79 is: 5,413,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654,770 : 11,478,168.38 = 3,610,171.79 : x
  2. Step 2: Convert to fraction form
    7,654,770/11,478,168.38 = 3,610,171.79/x
  3. Step 3: Cross multiply
    7,654,770x = 11,478,168.38 × 3,610,171.79
  4. Step 4: Simplify right side
    7,654,770x = 41,438,159,610,904.30
  5. Step 5: Solve for x
    x = 41,438,159,610,904.30/7,654,770
  6. Step 6: Final answer
    x = 5,413,377.49

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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.