Home / 6,618,801.78-9,133,455.78-3,718,676.16

Finding the Fourth Proportional to 6,618,801.78, 9,133,455.78 and 3,718,676.16

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Solution

The fourth proportional to 6,618,801.78, 9,133,455.78 and 3,718,676.16 is: 5,131,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618,801.78 : 9,133,455.78 = 3,718,676.16 : x
  2. Step 2: Convert to fraction form
    6,618,801.78/9,133,455.78 = 3,718,676.16/x
  3. Step 3: Cross multiply
    6,618,801.78x = 9,133,455.78 × 3,718,676.16
  4. Step 4: Simplify right side
    6,618,801.78x = 33,964,364,267,500.20
  5. Step 5: Solve for x
    x = 33,964,364,267,500.20/6,618,801.78
  6. Step 6: Final answer
    x = 5,131,497.42

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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.