Home / 21,101,165.22-31,650,795.94-8,800,062.42

Finding the Fourth Proportional to 21,101,165.22, 31,650,795.94 and 8,800,062.42

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Solution

The fourth proportional to 21,101,165.22, 31,650,795.94 and 8,800,062.42 is: 13,199,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,165.22 : 31,650,795.94 = 8,800,062.42 : x
  2. Step 2: Convert to fraction form
    21,101,165.22/31,650,795.94 = 8,800,062.42/x
  3. Step 3: Cross multiply
    21,101,165.22x = 31,650,795.94 × 8,800,062.42
  4. Step 4: Simplify right side
    21,101,165.22x = 278,528,979,778,428.72
  5. Step 5: Solve for x
    x = 278,528,979,778,428.72/21,101,165.22
  6. Step 6: Final answer
    x = 13,199,696.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.