Home / 11,647,987.28-16,074,276.20-6,756,105.68

Finding the Fourth Proportional to 11,647,987.28, 16,074,276.20 and 6,756,105.68

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Solution

The fourth proportional to 11,647,987.28, 16,074,276.20 and 6,756,105.68 is: 9,323,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647,987.28 : 16,074,276.20 = 6,756,105.68 : x
  2. Step 2: Convert to fraction form
    11,647,987.28/16,074,276.20 = 6,756,105.68/x
  3. Step 3: Cross multiply
    11,647,987.28x = 16,074,276.20 × 6,756,105.68
  4. Step 4: Simplify right side
    11,647,987.28x = 108,599,508,736,708.81
  5. Step 5: Solve for x
    x = 108,599,508,736,708.81/11,647,987.28
  6. Step 6: Final answer
    x = 9,323,457.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.