Home / 8,557,379.78-12,835,970.49-2,080,491.80

Finding the Fourth Proportional to 8,557,379.78, 12,835,970.49 and 2,080,491.80

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Solution

The fourth proportional to 8,557,379.78, 12,835,970.49 and 2,080,491.80 is: 3,120,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557,379.78 : 12,835,970.49 = 2,080,491.80 : x
  2. Step 2: Convert to fraction form
    8,557,379.78/12,835,970.49 = 2,080,491.80/x
  3. Step 3: Cross multiply
    8,557,379.78x = 12,835,970.49 × 2,080,491.80
  4. Step 4: Simplify right side
    8,557,379.78x = 26,705,131,349,486.98
  5. Step 5: Solve for x
    x = 26,705,131,349,486.98/8,557,379.78
  6. Step 6: Final answer
    x = 3,120,713.59

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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.