Home / 15,043,949.10-20,760,067.53-8,168,273.82

Finding the Fourth Proportional to 15,043,949.10, 20,760,067.53 and 8,168,273.82

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Solution

The fourth proportional to 15,043,949.10, 20,760,067.53 and 8,168,273.82 is: 11,271,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043,949.10 : 20,760,067.53 = 8,168,273.82 : x
  2. Step 2: Convert to fraction form
    15,043,949.10/20,760,067.53 = 8,168,273.82/x
  3. Step 3: Cross multiply
    15,043,949.10x = 20,760,067.53 × 8,168,273.82
  4. Step 4: Simplify right side
    15,043,949.10x = 169,573,916,106,731.09
  5. Step 5: Solve for x
    x = 169,573,916,106,731.09/15,043,949.10
  6. Step 6: Final answer
    x = 11,271,901.74

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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.