Home / 21,726,015.20-32,589,022.80-11,648,319.20

Finding the Fourth Proportional to 21,726,015.20, 32,589,022.80 and 11,648,319.20

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Solution

The fourth proportional to 21,726,015.20, 32,589,022.80 and 11,648,319.20 is: 17,472,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,015.20 : 32,589,022.80 = 11,648,319.20 : x
  2. Step 2: Convert to fraction form
    21,726,015.20/32,589,022.80 = 11,648,319.20/x
  3. Step 3: Cross multiply
    21,726,015.20x = 32,589,022.80 × 11,648,319.20
  4. Step 4: Simplify right side
    21,726,015.20x = 379,607,339,990,477.75
  5. Step 5: Solve for x
    x = 379,607,339,990,477.75/21,726,015.20
  6. Step 6: Final answer
    x = 17,472,478.80

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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.