Home / 21,204,407.44-31,777,184.52-9,661,665.76

Finding the Fourth Proportional to 21,204,407.44, 31,777,184.52 and 9,661,665.76

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Solution

The fourth proportional to 21,204,407.44, 31,777,184.52 and 9,661,665.76 is: 14,479,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,407.44 : 31,777,184.52 = 9,661,665.76 : x
  2. Step 2: Convert to fraction form
    21,204,407.44/31,777,184.52 = 9,661,665.76/x
  3. Step 3: Cross multiply
    21,204,407.44x = 31,777,184.52 × 9,661,665.76
  4. Step 4: Simplify right side
    21,204,407.44x = 307,020,535,626,086
  5. Step 5: Solve for x
    x = 307,020,535,626,086/21,204,407.44
  6. Step 6: Final answer
    x = 14,479,090.56

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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.