Home / 15,172,897.75-20,940,221.57-9,296,431.83

Finding the Fourth Proportional to 15,172,897.75, 20,940,221.57 and 9,296,431.83

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Solution

The fourth proportional to 15,172,897.75, 20,940,221.57 and 9,296,431.83 is: 12,830,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,897.75 : 20,940,221.57 = 9,296,431.83 : x
  2. Step 2: Convert to fraction form
    15,172,897.75/20,940,221.57 = 9,296,431.83/x
  3. Step 3: Cross multiply
    15,172,897.75x = 20,940,221.57 × 9,296,431.83
  4. Step 4: Simplify right side
    15,172,897.75x = 194,669,342,284,118.44
  5. Step 5: Solve for x
    x = 194,669,342,284,118.44/15,172,897.75
  6. Step 6: Final answer
    x = 12,830,070.14

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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.