Home / 16,913,175.56-23,340,182.45-9,178,217.88

Finding the Fourth Proportional to 16,913,175.56, 23,340,182.45 and 9,178,217.88

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Solution

The fourth proportional to 16,913,175.56, 23,340,182.45 and 9,178,217.88 is: 12,665,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913,175.56 : 23,340,182.45 = 9,178,217.88 : x
  2. Step 2: Convert to fraction form
    16,913,175.56/23,340,182.45 = 9,178,217.88/x
  3. Step 3: Cross multiply
    16,913,175.56x = 23,340,182.45 × 9,178,217.88
  4. Step 4: Simplify right side
    16,913,175.56x = 214,221,279,751,635.44
  5. Step 5: Solve for x
    x = 214,221,279,751,635.44/16,913,175.56
  6. Step 6: Final answer
    x = 12,665,940.77

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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.