Home / 10,271,493.12-15,398,102.88-4,876,815.36

Finding the Fourth Proportional to 10,271,493.12, 15,398,102.88 and 4,876,815.36

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Solution

The fourth proportional to 10,271,493.12, 15,398,102.88 and 4,876,815.36 is: 7,310,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271,493.12 : 15,398,102.88 = 4,876,815.36 : x
  2. Step 2: Convert to fraction form
    10,271,493.12/15,398,102.88 = 4,876,815.36/x
  3. Step 3: Cross multiply
    10,271,493.12x = 15,398,102.88 × 4,876,815.36
  4. Step 4: Simplify right side
    10,271,493.12x = 75,093,704,640,044.25
  5. Step 5: Solve for x
    x = 75,093,704,640,044.25/10,271,493.12
  6. Step 6: Final answer
    x = 7,310,884.97

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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.