Home / 8,120,819.36-11,206,583.52-4,815,338

Finding the Fourth Proportional to 8,120,819.36, 11,206,583.52 and 4,815,338

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Solution

The fourth proportional to 8,120,819.36, 11,206,583.52 and 4,815,338 is: 6,645,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,819.36 : 11,206,583.52 = 4,815,338 : x
  2. Step 2: Convert to fraction form
    8,120,819.36/11,206,583.52 = 4,815,338/x
  3. Step 3: Cross multiply
    8,120,819.36x = 11,206,583.52 × 4,815,338
  4. Step 4: Simplify right side
    8,120,819.36x = 53,963,487,474,029.76
  5. Step 5: Solve for x
    x = 53,963,487,474,029.76/8,120,819.36
  6. Step 6: Final answer
    x = 6,645,079.16

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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.