Home / 21,978,005.20-32,967,007.80-17,726,477.20

Finding the Fourth Proportional to 21,978,005.20, 32,967,007.80 and 17,726,477.20

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Solution

The fourth proportional to 21,978,005.20, 32,967,007.80 and 17,726,477.20 is: 26,589,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,978,005.20 : 32,967,007.80 = 17,726,477.20 : x
  2. Step 2: Convert to fraction form
    21,978,005.20/32,967,007.80 = 17,726,477.20/x
  3. Step 3: Cross multiply
    21,978,005.20x = 32,967,007.80 × 17,726,477.20
  4. Step 4: Simplify right side
    21,978,005.20x = 584,388,912,118,922.12
  5. Step 5: Solve for x
    x = 584,388,912,118,922.12/21,978,005.20
  6. Step 6: Final answer
    x = 26,589,715.80

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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.