Home / 6,878,753-9,502,391.88-5,511,178.16

Finding the Fourth Proportional to 6,878,753, 9,502,391.88 and 5,511,178.16

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Solution

The fourth proportional to 6,878,753, 9,502,391.88 and 5,511,178.16 is: 7,613,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,753 : 9,502,391.88 = 5,511,178.16 : x
  2. Step 2: Convert to fraction form
    6,878,753/9,502,391.88 = 5,511,178.16/x
  3. Step 3: Cross multiply
    6,878,753x = 9,502,391.88 × 5,511,178.16
  4. Step 4: Simplify right side
    6,878,753x = 52,369,374,569,261.45
  5. Step 5: Solve for x
    x = 52,369,374,569,261.45/6,878,753
  6. Step 6: Final answer
    x = 7,613,207.59

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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.