Home / 27,982,949.31-38,632,855.64-18,341,953.47

Finding the Fourth Proportional to 27,982,949.31, 38,632,855.64 and 18,341,953.47

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Solution

The fourth proportional to 27,982,949.31, 38,632,855.64 and 18,341,953.47 is: 25,322,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982,949.31 : 38,632,855.64 = 18,341,953.47 : x
  2. Step 2: Convert to fraction form
    27,982,949.31/38,632,855.64 = 18,341,953.47/x
  3. Step 3: Cross multiply
    27,982,949.31x = 38,632,855.64 × 18,341,953.47
  4. Step 4: Simplify right side
    27,982,949.31x = 708,602,040,470,397.25
  5. Step 5: Solve for x
    x = 708,602,040,470,397.25/27,982,949.31
  6. Step 6: Final answer
    x = 25,322,636.03

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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.