Home / 15,365,299.15-21,204,069.29-8,489,732.23

Finding the Fourth Proportional to 15,365,299.15, 21,204,069.29 and 8,489,732.23

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Solution

The fourth proportional to 15,365,299.15, 21,204,069.29 and 8,489,732.23 is: 11,715,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,299.15 : 21,204,069.29 = 8,489,732.23 : x
  2. Step 2: Convert to fraction form
    15,365,299.15/21,204,069.29 = 8,489,732.23/x
  3. Step 3: Cross multiply
    15,365,299.15x = 21,204,069.29 × 8,489,732.23
  4. Step 4: Simplify right side
    15,365,299.15x = 180,016,870,352,445.84
  5. Step 5: Solve for x
    x = 180,016,870,352,445.84/15,365,299.15
  6. Step 6: Final answer
    x = 11,715,806.42

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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.