Home / 20,252,221.28-27,947,963.52-10,959,784.64

Finding the Fourth Proportional to 20,252,221.28, 27,947,963.52 and 10,959,784.64

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Solution

The fourth proportional to 20,252,221.28, 27,947,963.52 and 10,959,784.64 is: 15,124,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,221.28 : 27,947,963.52 = 10,959,784.64 : x
  2. Step 2: Convert to fraction form
    20,252,221.28/27,947,963.52 = 10,959,784.64/x
  3. Step 3: Cross multiply
    20,252,221.28x = 27,947,963.52 × 10,959,784.64
  4. Step 4: Simplify right side
    20,252,221.28x = 306,303,661,305,776.38
  5. Step 5: Solve for x
    x = 306,303,661,305,776.38/20,252,221.28
  6. Step 6: Final answer
    x = 15,124,447.69

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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.