Home / 7,250,306.88-10,005,211.92-3,987,118.32

Finding the Fourth Proportional to 7,250,306.88, 10,005,211.92 and 3,987,118.32

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Solution

The fourth proportional to 7,250,306.88, 10,005,211.92 and 3,987,118.32 is: 5,502,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,306.88 : 10,005,211.92 = 3,987,118.32 : x
  2. Step 2: Convert to fraction form
    7,250,306.88/10,005,211.92 = 3,987,118.32/x
  3. Step 3: Cross multiply
    7,250,306.88x = 10,005,211.92 × 3,987,118.32
  4. Step 4: Simplify right side
    7,250,306.88x = 39,891,963,741,714.38
  5. Step 5: Solve for x
    x = 39,891,963,741,714.38/7,250,306.88
  6. Step 6: Final answer
    x = 5,502,106.93

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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.