Home / 28,493,799.88-42,740,100.42-6,928,512.16

Finding the Fourth Proportional to 28,493,799.88, 42,740,100.42 and 6,928,512.16

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Solution

The fourth proportional to 28,493,799.88, 42,740,100.42 and 6,928,512.16 is: 10,392,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493,799.88 : 42,740,100.42 = 6,928,512.16 : x
  2. Step 2: Convert to fraction form
    28,493,799.88/42,740,100.42 = 6,928,512.16/x
  3. Step 3: Cross multiply
    28,493,799.88x = 42,740,100.42 × 6,928,512.16
  4. Step 4: Simplify right side
    28,493,799.88x = 296,125,305,479,591.12
  5. Step 5: Solve for x
    x = 296,125,305,479,591.12/28,493,799.88
  6. Step 6: Final answer
    x = 10,392,622.49

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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.