Home / 15,328,161-21,151,896.66-8,797,194

Finding the Fourth Proportional to 15,328,161, 21,151,896.66 and 8,797,194

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Solution

The fourth proportional to 15,328,161, 21,151,896.66 and 8,797,194 is: 12,139,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328,161 : 21,151,896.66 = 8,797,194 : x
  2. Step 2: Convert to fraction form
    15,328,161/21,151,896.66 = 8,797,194/x
  3. Step 3: Cross multiply
    15,328,161x = 21,151,896.66 × 8,797,194
  4. Step 4: Simplify right side
    15,328,161x = 186,077,338,385,972.03
  5. Step 5: Solve for x
    x = 186,077,338,385,972.03/15,328,161
  6. Step 6: Final answer
    x = 12,139,573.59

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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.