Home / 20,752,694.45-31,104,275.62-9,658,837.38

Finding the Fourth Proportional to 20,752,694.45, 31,104,275.62 and 9,658,837.38

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Solution

The fourth proportional to 20,752,694.45, 31,104,275.62 and 9,658,837.38 is: 14,476,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,694.45 : 31,104,275.62 = 9,658,837.38 : x
  2. Step 2: Convert to fraction form
    20,752,694.45/31,104,275.62 = 9,658,837.38/x
  3. Step 3: Cross multiply
    20,752,694.45x = 31,104,275.62 × 9,658,837.38
  4. Step 4: Simplify right side
    20,752,694.45x = 300,431,140,036,278.69
  5. Step 5: Solve for x
    x = 300,431,140,036,278.69/20,752,694.45
  6. Step 6: Final answer
    x = 14,476,729.31

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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.