Home / 21,986,786.32-30,342,063.72-16,470,388.24

Finding the Fourth Proportional to 21,986,786.32, 30,342,063.72 and 16,470,388.24

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Solution

The fourth proportional to 21,986,786.32, 30,342,063.72 and 16,470,388.24 is: 22,729,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986,786.32 : 30,342,063.72 = 16,470,388.24 : x
  2. Step 2: Convert to fraction form
    21,986,786.32/30,342,063.72 = 16,470,388.24/x
  3. Step 3: Cross multiply
    21,986,786.32x = 30,342,063.72 × 16,470,388.24
  4. Step 4: Simplify right side
    21,986,786.32x = 499,745,569,471,218.62
  5. Step 5: Solve for x
    x = 499,745,569,471,218.62/21,986,786.32
  6. Step 6: Final answer
    x = 22,729,359.45

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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.