Home / 21,984,710.40-32,977,065.60-19,965,234.60

Finding the Fourth Proportional to 21,984,710.40, 32,977,065.60 and 19,965,234.60

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Solution

The fourth proportional to 21,984,710.40, 32,977,065.60 and 19,965,234.60 is: 29,947,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,710.40 : 32,977,065.60 = 19,965,234.60 : x
  2. Step 2: Convert to fraction form
    21,984,710.40/32,977,065.60 = 19,965,234.60/x
  3. Step 3: Cross multiply
    21,984,710.40x = 32,977,065.60 × 19,965,234.60
  4. Step 4: Simplify right side
    21,984,710.40x = 658,394,851,123,589.88
  5. Step 5: Solve for x
    x = 658,394,851,123,589.88/21,984,710.40
  6. Step 6: Final answer
    x = 29,947,851.90

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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.