Home / 21,678,115.56-32,514,007.86-6,321,278.58

Finding the Fourth Proportional to 21,678,115.56, 32,514,007.86 and 6,321,278.58

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Solution

The fourth proportional to 21,678,115.56, 32,514,007.86 and 6,321,278.58 is: 9,480,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,115.56 : 32,514,007.86 = 6,321,278.58 : x
  2. Step 2: Convert to fraction form
    21,678,115.56/32,514,007.86 = 6,321,278.58/x
  3. Step 3: Cross multiply
    21,678,115.56x = 32,514,007.86 × 6,321,278.58
  4. Step 4: Simplify right side
    21,678,115.56x = 205,530,101,435,369.62
  5. Step 5: Solve for x
    x = 205,530,101,435,369.62/21,678,115.56
  6. Step 6: Final answer
    x = 9,480,994.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.