Home / 12,622,586.80-18,933,880.20-11,063,693.20

Finding the Fourth Proportional to 12,622,586.80, 18,933,880.20 and 11,063,693.20

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Solution

The fourth proportional to 12,622,586.80, 18,933,880.20 and 11,063,693.20 is: 16,595,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,586.80 : 18,933,880.20 = 11,063,693.20 : x
  2. Step 2: Convert to fraction form
    12,622,586.80/18,933,880.20 = 11,063,693.20/x
  3. Step 3: Cross multiply
    12,622,586.80x = 18,933,880.20 × 11,063,693.20
  4. Step 4: Simplify right side
    12,622,586.80x = 209,478,641,618,354.62
  5. Step 5: Solve for x
    x = 209,478,641,618,354.62/12,622,586.80
  6. Step 6: Final answer
    x = 16,595,539.80

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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.