Home / 20,150,147.66-27,806,895.18-11,329,606.68

Finding the Fourth Proportional to 20,150,147.66, 27,806,895.18 and 11,329,606.68

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Solution

The fourth proportional to 20,150,147.66, 27,806,895.18 and 11,329,606.68 is: 15,634,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150,147.66 : 27,806,895.18 = 11,329,606.68 : x
  2. Step 2: Convert to fraction form
    20,150,147.66/27,806,895.18 = 11,329,606.68/x
  3. Step 3: Cross multiply
    20,150,147.66x = 27,806,895.18 × 11,329,606.68
  4. Step 4: Simplify right side
    20,150,147.66x = 315,041,185,381,387.81
  5. Step 5: Solve for x
    x = 315,041,185,381,387.81/20,150,147.66
  6. Step 6: Final answer
    x = 15,634,683.71

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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.