Home / 6,878,753.38-9,502,392.39-5,511,178.54

Finding the Fourth Proportional to 6,878,753.38, 9,502,392.39 and 5,511,178.54

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Solution

The fourth proportional to 6,878,753.38, 9,502,392.39 and 5,511,178.54 is: 7,613,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,753.38 : 9,502,392.39 = 5,511,178.54 : x
  2. Step 2: Convert to fraction form
    6,878,753.38/9,502,392.39 = 5,511,178.54/x
  3. Step 3: Cross multiply
    6,878,753.38x = 9,502,392.39 × 5,511,178.54
  4. Step 4: Simplify right side
    6,878,753.38x = 52,369,380,970,915.35
  5. Step 5: Solve for x
    x = 52,369,380,970,915.35/6,878,753.38
  6. Step 6: Final answer
    x = 7,613,208.11

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1.5x scale

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.