Home / 20,061,502.78-27,684,405.40-11,802,096.87

Finding the Fourth Proportional to 20,061,502.78, 27,684,405.40 and 11,802,096.87

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Solution

The fourth proportional to 20,061,502.78, 27,684,405.40 and 11,802,096.87 is: 16,286,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061,502.78 : 27,684,405.40 = 11,802,096.87 : x
  2. Step 2: Convert to fraction form
    20,061,502.78/27,684,405.40 = 11,802,096.87/x
  3. Step 3: Cross multiply
    20,061,502.78x = 27,684,405.40 × 11,802,096.87
  4. Step 4: Simplify right side
    20,061,502.78x = 326,734,034,319,151.06
  5. Step 5: Solve for x
    x = 326,734,034,319,151.06/20,061,502.78
  6. Step 6: Final answer
    x = 16,286,618.10

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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.