Home / 10,929,619.20-16,394,428.80-7,337,107.20

Finding the Fourth Proportional to 10,929,619.20, 16,394,428.80 and 7,337,107.20

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Solution

The fourth proportional to 10,929,619.20, 16,394,428.80 and 7,337,107.20 is: 11,005,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929,619.20 : 16,394,428.80 = 7,337,107.20 : x
  2. Step 2: Convert to fraction form
    10,929,619.20/16,394,428.80 = 7,337,107.20/x
  3. Step 3: Cross multiply
    10,929,619.20x = 16,394,428.80 × 7,337,107.20
  4. Step 4: Simplify right side
    10,929,619.20x = 120,287,681,588,367.38
  5. Step 5: Solve for x
    x = 120,287,681,588,367.38/10,929,619.20
  6. Step 6: Final answer
    x = 11,005,660.80

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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.