Home / 21,019,109.14-29,006,388.66-11,726,680.65

Finding the Fourth Proportional to 21,019,109.14, 29,006,388.66 and 11,726,680.65

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Solution

The fourth proportional to 21,019,109.14, 29,006,388.66 and 11,726,680.65 is: 16,182,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,109.14 : 29,006,388.66 = 11,726,680.65 : x
  2. Step 2: Convert to fraction form
    21,019,109.14/29,006,388.66 = 11,726,680.65/x
  3. Step 3: Cross multiply
    21,019,109.14x = 29,006,388.66 × 11,726,680.65
  4. Step 4: Simplify right side
    21,019,109.14x = 340,148,656,723,963.50
  5. Step 5: Solve for x
    x = 340,148,656,723,963.50/21,019,109.14
  6. Step 6: Final answer
    x = 16,182,829.37

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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.