Home / 19,379,782.80-29,033,807.40-11,296,630.80

Finding the Fourth Proportional to 19,379,782.80, 29,033,807.40 and 11,296,630.80

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Solution

The fourth proportional to 19,379,782.80, 29,033,807.40 and 11,296,630.80 is: 16,924,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379,782.80 : 29,033,807.40 = 11,296,630.80 : x
  2. Step 2: Convert to fraction form
    19,379,782.80/29,033,807.40 = 11,296,630.80/x
  3. Step 3: Cross multiply
    19,379,782.80x = 29,033,807.40 × 11,296,630.80
  4. Step 4: Simplify right side
    19,379,782.80x = 327,984,202,916,107.94
  5. Step 5: Solve for x
    x = 327,984,202,916,107.94/19,379,782.80
  6. Step 6: Final answer
    x = 16,924,039.15

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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.