Home / 12,613,243.20-18,922,629.60-4,092,129.60

Finding the Fourth Proportional to 12,613,243.20, 18,922,629.60 and 4,092,129.60

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Solution

The fourth proportional to 12,613,243.20, 18,922,629.60 and 4,092,129.60 is: 6,139,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613,243.20 : 18,922,629.60 = 4,092,129.60 : x
  2. Step 2: Convert to fraction form
    12,613,243.20/18,922,629.60 = 4,092,129.60/x
  3. Step 3: Cross multiply
    12,613,243.20x = 18,922,629.60 × 4,092,129.60
  4. Step 4: Simplify right side
    12,613,243.20x = 77,433,852,695,996.17
  5. Step 5: Solve for x
    x = 77,433,852,695,996.17/12,613,243.20
  6. Step 6: Final answer
    x = 6,139,091.39

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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.