Home / 15,297,062.32-21,111,470.94-11,422,857.43

Finding the Fourth Proportional to 15,297,062.32, 21,111,470.94 and 11,422,857.43

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Solution

The fourth proportional to 15,297,062.32, 21,111,470.94 and 11,422,857.43 is: 15,764,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297,062.32 : 21,111,470.94 = 11,422,857.43 : x
  2. Step 2: Convert to fraction form
    15,297,062.32/21,111,470.94 = 11,422,857.43/x
  3. Step 3: Cross multiply
    15,297,062.32x = 21,111,470.94 × 11,422,857.43
  4. Step 4: Simplify right side
    15,297,062.32x = 241,153,322,754,433.16
  5. Step 5: Solve for x
    x = 241,153,322,754,433.16/15,297,062.32
  6. Step 6: Final answer
    x = 15,764,681.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.