Home / 19,670,977-27,145,948.27-11,522,215

Finding the Fourth Proportional to 19,670,977, 27,145,948.27 and 11,522,215

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Solution

The fourth proportional to 19,670,977, 27,145,948.27 and 11,522,215 is: 15,900,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670,977 : 27,145,948.27 = 11,522,215 : x
  2. Step 2: Convert to fraction form
    19,670,977/27,145,948.27 = 11,522,215/x
  3. Step 3: Cross multiply
    19,670,977x = 27,145,948.27 × 11,522,215
  4. Step 4: Simplify right side
    19,670,977x = 312,781,452,345,818.06
  5. Step 5: Solve for x
    x = 312,781,452,345,818.06/19,670,977
  6. Step 6: Final answer
    x = 15,900,656.71

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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.