Home / 20,062,099.38-30,083,664.32-7,771,819.58

Finding the Fourth Proportional to 20,062,099.38, 30,083,664.32 and 7,771,819.58

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Solution

The fourth proportional to 20,062,099.38, 30,083,664.32 and 7,771,819.58 is: 11,654,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062,099.38 : 30,083,664.32 = 7,771,819.58 : x
  2. Step 2: Convert to fraction form
    20,062,099.38/30,083,664.32 = 7,771,819.58/x
  3. Step 3: Cross multiply
    20,062,099.38x = 30,083,664.32 × 7,771,819.58
  4. Step 4: Simplify right side
    20,062,099.38x = 233,804,811,400,323.38
  5. Step 5: Solve for x
    x = 233,804,811,400,323.38/20,062,099.38
  6. Step 6: Final answer
    x = 11,654,055.09

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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.