Home / 27,982,955.31-38,632,863.92-18,341,959.47

Finding the Fourth Proportional to 27,982,955.31, 38,632,863.92 and 18,341,959.47

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Solution

The fourth proportional to 27,982,955.31, 38,632,863.92 and 18,341,959.47 is: 25,322,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982,955.31 : 38,632,863.92 = 18,341,959.47 : x
  2. Step 2: Convert to fraction form
    27,982,955.31/38,632,863.92 = 18,341,959.47/x
  3. Step 3: Cross multiply
    27,982,955.31x = 38,632,863.92 × 18,341,959.47
  4. Step 4: Simplify right side
    27,982,955.31x = 708,602,424,138,955.50
  5. Step 5: Solve for x
    x = 708,602,424,138,955.50/27,982,955.31
  6. Step 6: Final answer
    x = 25,322,644.31

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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.