Home / 11,771,687.40-17,657,531.10-11,110,338.60

Finding the Fourth Proportional to 11,771,687.40, 17,657,531.10 and 11,110,338.60

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Solution

The fourth proportional to 11,771,687.40, 17,657,531.10 and 11,110,338.60 is: 16,665,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771,687.40 : 17,657,531.10 = 11,110,338.60 : x
  2. Step 2: Convert to fraction form
    11,771,687.40/17,657,531.10 = 11,110,338.60/x
  3. Step 3: Cross multiply
    11,771,687.40x = 17,657,531.10 × 11,110,338.60
  4. Step 4: Simplify right side
    11,771,687.40x = 196,181,149,361,030.47
  5. Step 5: Solve for x
    x = 196,181,149,361,030.47/11,771,687.40
  6. Step 6: Final answer
    x = 16,665,507.90

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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.