Home / 21,986,142.40-32,979,213.60-16,530,014.80

Finding the Fourth Proportional to 21,986,142.40, 32,979,213.60 and 16,530,014.80

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Solution

The fourth proportional to 21,986,142.40, 32,979,213.60 and 16,530,014.80 is: 24,795,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986,142.40 : 32,979,213.60 = 16,530,014.80 : x
  2. Step 2: Convert to fraction form
    21,986,142.40/32,979,213.60 = 16,530,014.80/x
  3. Step 3: Cross multiply
    21,986,142.40x = 32,979,213.60 × 16,530,014.80
  4. Step 4: Simplify right side
    21,986,142.40x = 545,146,888,900,361.31
  5. Step 5: Solve for x
    x = 545,146,888,900,361.31/21,986,142.40
  6. Step 6: Final answer
    x = 24,795,022.20

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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.