Home / 21,583,821.80-32,375,732.70-19,941,530.60

Finding the Fourth Proportional to 21,583,821.80, 32,375,732.70 and 19,941,530.60

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Solution

The fourth proportional to 21,583,821.80, 32,375,732.70 and 19,941,530.60 is: 29,912,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583,821.80 : 32,375,732.70 = 19,941,530.60 : x
  2. Step 2: Convert to fraction form
    21,583,821.80/32,375,732.70 = 19,941,530.60/x
  3. Step 3: Cross multiply
    21,583,821.80x = 32,375,732.70 × 19,941,530.60
  4. Step 4: Simplify right side
    21,583,821.80x = 645,621,664,334,470.62
  5. Step 5: Solve for x
    x = 645,621,664,334,470.62/21,583,821.80
  6. Step 6: Final answer
    x = 29,912,295.90

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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.