Home / 10,892,553.60-16,338,830.40-7,491,331.20

Finding the Fourth Proportional to 10,892,553.60, 16,338,830.40 and 7,491,331.20

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Solution

The fourth proportional to 10,892,553.60, 16,338,830.40 and 7,491,331.20 is: 11,236,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,553.60 : 16,338,830.40 = 7,491,331.20 : x
  2. Step 2: Convert to fraction form
    10,892,553.60/16,338,830.40 = 7,491,331.20/x
  3. Step 3: Cross multiply
    10,892,553.60x = 16,338,830.40 × 7,491,331.20
  4. Step 4: Simplify right side
    10,892,553.60x = 122,399,589,947,028.48
  5. Step 5: Solve for x
    x = 122,399,589,947,028.48/10,892,553.60
  6. Step 6: Final answer
    x = 11,236,996.80

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1.5x scale

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.