Home / 21,250,379.44-29,325,386.64-12,083,021.38

Finding the Fourth Proportional to 21,250,379.44, 29,325,386.64 and 12,083,021.38

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Solution

The fourth proportional to 21,250,379.44, 29,325,386.64 and 12,083,021.38 is: 16,674,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250,379.44 : 29,325,386.64 = 12,083,021.38 : x
  2. Step 2: Convert to fraction form
    21,250,379.44/29,325,386.64 = 12,083,021.38/x
  3. Step 3: Cross multiply
    21,250,379.44x = 29,325,386.64 × 12,083,021.38
  4. Step 4: Simplify right side
    21,250,379.44x = 354,339,273,747,886.38
  5. Step 5: Solve for x
    x = 354,339,273,747,886.38/21,250,379.44
  6. Step 6: Final answer
    x = 16,674,491.61

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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.