Home / 19,511,736.72-29,257,866.28-6,379,443.88

Finding the Fourth Proportional to 19,511,736.72, 29,257,866.28 and 6,379,443.88

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Solution

The fourth proportional to 19,511,736.72, 29,257,866.28 and 6,379,443.88 is: 9,565,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511,736.72 : 29,257,866.28 = 6,379,443.88 : x
  2. Step 2: Convert to fraction form
    19,511,736.72/29,257,866.28 = 6,379,443.88/x
  3. Step 3: Cross multiply
    19,511,736.72x = 29,257,866.28 × 6,379,443.88
  4. Step 4: Simplify right side
    19,511,736.72x = 186,648,915,981,804.38
  5. Step 5: Solve for x
    x = 186,648,915,981,804.38/19,511,736.72
  6. Step 6: Final answer
    x = 9,565,981.68

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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.