Home / 38,480,760.72-53,101,555.56-21,077,183.34

Finding the Fourth Proportional to 38,480,760.72, 53,101,555.56 and 21,077,183.34

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Solution

The fourth proportional to 38,480,760.72, 53,101,555.56 and 21,077,183.34 is: 29,085,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480,760.72 : 53,101,555.56 = 21,077,183.34 : x
  2. Step 2: Convert to fraction form
    38,480,760.72/53,101,555.56 = 21,077,183.34/x
  3. Step 3: Cross multiply
    38,480,760.72x = 53,101,555.56 × 21,077,183.34
  4. Step 4: Simplify right side
    38,480,760.72x = 1,119,231,222,177,316.38
  5. Step 5: Solve for x
    x = 1,119,231,222,177,316.38/38,480,760.72
  6. Step 6: Final answer
    x = 29,085,475.47

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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.