Home / 20,760,093.24-31,146,802.92-9,978,175.95

Finding the Fourth Proportional to 20,760,093.24, 31,146,802.92 and 9,978,175.95

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Solution

The fourth proportional to 20,760,093.24, 31,146,802.92 and 9,978,175.95 is: 14,970,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760,093.24 : 31,146,802.92 = 9,978,175.95 : x
  2. Step 2: Convert to fraction form
    20,760,093.24/31,146,802.92 = 9,978,175.95/x
  3. Step 3: Cross multiply
    20,760,093.24x = 31,146,802.92 × 9,978,175.95
  4. Step 4: Simplify right side
    20,760,093.24x = 310,788,279,815,733.75
  5. Step 5: Solve for x
    x = 310,788,279,815,733.75/20,760,093.24
  6. Step 6: Final answer
    x = 14,970,466.47

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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.