Home / 21,581,491.20-32,372,236.80-16,763,092.80

Finding the Fourth Proportional to 21,581,491.20, 32,372,236.80 and 16,763,092.80

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Solution

The fourth proportional to 21,581,491.20, 32,372,236.80 and 16,763,092.80 is: 25,144,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,491.20 : 32,372,236.80 = 16,763,092.80 : x
  2. Step 2: Convert to fraction form
    21,581,491.20/32,372,236.80 = 16,763,092.80/x
  3. Step 3: Cross multiply
    21,581,491.20x = 32,372,236.80 × 16,763,092.80
  4. Step 4: Simplify right side
    21,581,491.20x = 542,658,809,621,975.06
  5. Step 5: Solve for x
    x = 542,658,809,621,975.06/21,581,491.20
  6. Step 6: Final answer
    x = 25,144,639.20

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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.