Home / 11,811,946.60-17,717,919.90-11,587,997.80

Finding the Fourth Proportional to 11,811,946.60, 17,717,919.90 and 11,587,997.80

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Solution

The fourth proportional to 11,811,946.60, 17,717,919.90 and 11,587,997.80 is: 17,381,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811,946.60 : 17,717,919.90 = 11,587,997.80 : x
  2. Step 2: Convert to fraction form
    11,811,946.60/17,717,919.90 = 11,587,997.80/x
  3. Step 3: Cross multiply
    11,811,946.60x = 17,717,919.90 × 11,587,997.80
  4. Step 4: Simplify right side
    11,811,946.60x = 205,315,216,821,776.22
  5. Step 5: Solve for x
    x = 205,315,216,821,776.22/11,811,946.60
  6. Step 6: Final answer
    x = 17,381,996.70

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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.