Home / 11,738,521.40-17,607,782.10-8,085,356.60

Finding the Fourth Proportional to 11,738,521.40, 17,607,782.10 and 8,085,356.60

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Solution

The fourth proportional to 11,738,521.40, 17,607,782.10 and 8,085,356.60 is: 12,128,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738,521.40 : 17,607,782.10 = 8,085,356.60 : x
  2. Step 2: Convert to fraction form
    11,738,521.40/17,607,782.10 = 8,085,356.60/x
  3. Step 3: Cross multiply
    11,738,521.40x = 17,607,782.10 × 8,085,356.60
  4. Step 4: Simplify right side
    11,738,521.40x = 142,365,197,213,596.88
  5. Step 5: Solve for x
    x = 142,365,197,213,596.88/11,738,521.40
  6. Step 6: Final answer
    x = 12,128,034.90

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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.