Home / 11,917,176.20-17,854,769.10-9,775,665.80

Finding the Fourth Proportional to 11,917,176.20, 17,854,769.10 and 9,775,665.80

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Solution

The fourth proportional to 11,917,176.20, 17,854,769.10 and 9,775,665.80 is: 14,646,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917,176.20 : 17,854,769.10 = 9,775,665.80 : x
  2. Step 2: Convert to fraction form
    11,917,176.20/17,854,769.10 = 9,775,665.80/x
  3. Step 3: Cross multiply
    11,917,176.20x = 17,854,769.10 × 9,775,665.80
  4. Step 4: Simplify right side
    11,917,176.20x = 174,542,255,657,766.81
  5. Step 5: Solve for x
    x = 174,542,255,657,766.81/11,917,176.20
  6. Step 6: Final answer
    x = 14,646,276.33

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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.