Home / 28,026,080.79-42,035,505.34-8,858,775.39

Finding the Fourth Proportional to 28,026,080.79, 42,035,505.34 and 8,858,775.39

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Solution

The fourth proportional to 28,026,080.79, 42,035,505.34 and 8,858,775.39 is: 13,287,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,080.79 : 42,035,505.34 = 8,858,775.39 : x
  2. Step 2: Convert to fraction form
    28,026,080.79/42,035,505.34 = 8,858,775.39/x
  3. Step 3: Cross multiply
    28,026,080.79x = 42,035,505.34 × 8,858,775.39
  4. Step 4: Simplify right side
    28,026,080.79x = 372,383,100,212,205.62
  5. Step 5: Solve for x
    x = 372,383,100,212,205.62/28,026,080.79
  6. Step 6: Final answer
    x = 13,287,020.15

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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.