Home / 21,282,507.18-31,923,761.19-5,108,458.44

Finding the Fourth Proportional to 21,282,507.18, 31,923,761.19 and 5,108,458.44

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Solution

The fourth proportional to 21,282,507.18, 31,923,761.19 and 5,108,458.44 is: 7,662,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,507.18 : 31,923,761.19 = 5,108,458.44 : x
  2. Step 2: Convert to fraction form
    21,282,507.18/31,923,761.19 = 5,108,458.44/x
  3. Step 3: Cross multiply
    21,282,507.18x = 31,923,761.19 × 5,108,458.44
  4. Step 4: Simplify right side
    21,282,507.18x = 163,081,207,388,157.31
  5. Step 5: Solve for x
    x = 163,081,207,388,157.31/21,282,507.18
  6. Step 6: Final answer
    x = 7,662,687.77

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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.