Home / 20,455,718.22-30,662,007.66-6,805,218.60

Finding the Fourth Proportional to 20,455,718.22, 30,662,007.66 and 6,805,218.60

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Solution

The fourth proportional to 20,455,718.22, 30,662,007.66 and 6,805,218.60 is: 10,200,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,718.22 : 30,662,007.66 = 6,805,218.60 : x
  2. Step 2: Convert to fraction form
    20,455,718.22/30,662,007.66 = 6,805,218.60/x
  3. Step 3: Cross multiply
    20,455,718.22x = 30,662,007.66 × 6,805,218.60
  4. Step 4: Simplify right side
    20,455,718.22x = 208,661,664,841,174.47
  5. Step 5: Solve for x
    x = 208,661,664,841,174.47/20,455,718.22
  6. Step 6: Final answer
    x = 10,200,652.09

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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.