Home / 15,365,672.51-21,204,371.93-8,396,196.95

Finding the Fourth Proportional to 15,365,672.51, 21,204,371.93 and 8,396,196.95

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Solution

The fourth proportional to 15,365,672.51, 21,204,371.93 and 8,396,196.95 is: 11,586,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,672.51 : 21,204,371.93 = 8,396,196.95 : x
  2. Step 2: Convert to fraction form
    15,365,672.51/21,204,371.93 = 8,396,196.95/x
  3. Step 3: Cross multiply
    15,365,672.51x = 21,204,371.93 × 8,396,196.95
  4. Step 4: Simplify right side
    15,365,672.51x = 178,036,082,864,315.56
  5. Step 5: Solve for x
    x = 178,036,082,864,315.56/15,365,672.51
  6. Step 6: Final answer
    x = 11,586,611.83

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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.