Home / 22,599,619.82-31,194,305.79-15,360,474.86

Finding the Fourth Proportional to 22,599,619.82, 31,194,305.79 and 15,360,474.86

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Solution

The fourth proportional to 22,599,619.82, 31,194,305.79 and 15,360,474.86 is: 21,202,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599,619.82 : 31,194,305.79 = 15,360,474.86 : x
  2. Step 2: Convert to fraction form
    22,599,619.82/31,194,305.79 = 15,360,474.86/x
  3. Step 3: Cross multiply
    22,599,619.82x = 31,194,305.79 × 15,360,474.86
  4. Step 4: Simplify right side
    22,599,619.82x = 479,159,349,862,447.44
  5. Step 5: Solve for x
    x = 479,159,349,862,447.44/22,599,619.82
  6. Step 6: Final answer
    x = 21,202,097.81

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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.