Home / 47,321,623.78-65,338,428.06-30,586,262.78

Finding the Fourth Proportional to 47,321,623.78, 65,338,428.06 and 30,586,262.78

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Solution

The fourth proportional to 47,321,623.78, 65,338,428.06 and 30,586,262.78 is: 42,231,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321,623.78 : 65,338,428.06 = 30,586,262.78 : x
  2. Step 2: Convert to fraction form
    47,321,623.78/65,338,428.06 = 30,586,262.78/x
  3. Step 3: Cross multiply
    47,321,623.78x = 65,338,428.06 × 30,586,262.78
  4. Step 4: Simplify right side
    47,321,623.78x = 1,998,458,330,438,631.75
  5. Step 5: Solve for x
    x = 1,998,458,330,438,631.75/47,321,623.78
  6. Step 6: Final answer
    x = 42,231,398.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.