Home / 16,491,741.05-22,761,334.36-9,151,931.72

Finding the Fourth Proportional to 16,491,741.05, 22,761,334.36 and 9,151,931.72

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Solution

The fourth proportional to 16,491,741.05, 22,761,334.36 and 9,151,931.72 is: 12,631,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491,741.05 : 22,761,334.36 = 9,151,931.72 : x
  2. Step 2: Convert to fraction form
    16,491,741.05/22,761,334.36 = 9,151,931.72/x
  3. Step 3: Cross multiply
    16,491,741.05x = 22,761,334.36 × 9,151,931.72
  4. Step 4: Simplify right side
    16,491,741.05x = 208,310,177,987,153.12
  5. Step 5: Solve for x
    x = 208,310,177,987,153.12/16,491,741.05
  6. Step 6: Final answer
    x = 12,631,181.71

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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.