Home / 28,056,725.20-42,085,087.80-27,216,917.20

Finding the Fourth Proportional to 28,056,725.20, 42,085,087.80 and 27,216,917.20

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Solution

The fourth proportional to 28,056,725.20, 42,085,087.80 and 27,216,917.20 is: 40,825,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056,725.20 : 42,085,087.80 = 27,216,917.20 : x
  2. Step 2: Convert to fraction form
    28,056,725.20/42,085,087.80 = 27,216,917.20/x
  3. Step 3: Cross multiply
    28,056,725.20x = 42,085,087.80 × 27,216,917.20
  4. Step 4: Simplify right side
    28,056,725.20x = 1,145,426,350,007,330
  5. Step 5: Solve for x
    x = 1,145,426,350,007,330/28,056,725.20
  6. Step 6: Final answer
    x = 40,825,375.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.