Home / 15,338,205.52-21,166,791.24-8,462,683.60

Finding the Fourth Proportional to 15,338,205.52, 21,166,791.24 and 8,462,683.60

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Solution

The fourth proportional to 15,338,205.52, 21,166,791.24 and 8,462,683.60 is: 11,678,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,205.52 : 21,166,791.24 = 8,462,683.60 : x
  2. Step 2: Convert to fraction form
    15,338,205.52/21,166,791.24 = 8,462,683.60/x
  3. Step 3: Cross multiply
    15,338,205.52x = 21,166,791.24 × 8,462,683.60
  4. Step 4: Simplify right side
    15,338,205.52x = 179,127,857,091,371.66
  5. Step 5: Solve for x
    x = 179,127,857,091,371.66/15,338,205.52
  6. Step 6: Final answer
    x = 11,678,540.68

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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.