Home / 11,762,662.60-17,644,512.30-6,645,017.80

Finding the Fourth Proportional to 11,762,662.60, 17,644,512.30 and 6,645,017.80

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Solution

The fourth proportional to 11,762,662.60, 17,644,512.30 and 6,645,017.80 is: 9,967,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762,662.60 : 17,644,512.30 = 6,645,017.80 : x
  2. Step 2: Convert to fraction form
    11,762,662.60/17,644,512.30 = 6,645,017.80/x
  3. Step 3: Cross multiply
    11,762,662.60x = 17,644,512.30 × 6,645,017.80
  4. Step 4: Simplify right side
    11,762,662.60x = 117,248,098,305,818.94
  5. Step 5: Solve for x
    x = 117,248,098,305,818.94/11,762,662.60
  6. Step 6: Final answer
    x = 9,967,819.56

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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.