Home / 11,811,945.60-17,717,918.40-11,587,996.80

Finding the Fourth Proportional to 11,811,945.60, 17,717,918.40 and 11,587,996.80

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Solution

The fourth proportional to 11,811,945.60, 17,717,918.40 and 11,587,996.80 is: 17,381,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811,945.60 : 17,717,918.40 = 11,587,996.80 : x
  2. Step 2: Convert to fraction form
    11,811,945.60/17,717,918.40 = 11,587,996.80/x
  3. Step 3: Cross multiply
    11,811,945.60x = 17,717,918.40 × 11,587,996.80
  4. Step 4: Simplify right side
    11,811,945.60x = 205,315,181,721,861.12
  5. Step 5: Solve for x
    x = 205,315,181,721,861.12/11,811,945.60
  6. Step 6: Final answer
    x = 17,381,995.20

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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.