Home / 12,222,079.20-18,406,237.54-11,132,477.52

Finding the Fourth Proportional to 12,222,079.20, 18,406,237.54 and 11,132,477.52

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Solution

The fourth proportional to 12,222,079.20, 18,406,237.54 and 11,132,477.52 is: 16,765,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222,079.20 : 18,406,237.54 = 11,132,477.52 : x
  2. Step 2: Convert to fraction form
    12,222,079.20/18,406,237.54 = 11,132,477.52/x
  3. Step 3: Cross multiply
    12,222,079.20x = 18,406,237.54 × 11,132,477.52
  4. Step 4: Simplify right side
    12,222,079.20x = 204,907,025,641,830.09
  5. Step 5: Solve for x
    x = 204,907,025,641,830.09/12,222,079.20
  6. Step 6: Final answer
    x = 16,765,316.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.