Home / 16,693,187.68-25,043,373.92-5,178,425.44

Finding the Fourth Proportional to 16,693,187.68, 25,043,373.92 and 5,178,425.44

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Solution

The fourth proportional to 16,693,187.68, 25,043,373.92 and 5,178,425.44 is: 7,768,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693,187.68 : 25,043,373.92 = 5,178,425.44 : x
  2. Step 2: Convert to fraction form
    16,693,187.68/25,043,373.92 = 5,178,425.44/x
  3. Step 3: Cross multiply
    16,693,187.68x = 25,043,373.92 × 5,178,425.44
  4. Step 4: Simplify right side
    16,693,187.68x = 129,685,244,610,760.55
  5. Step 5: Solve for x
    x = 129,685,244,610,760.55/16,693,187.68
  6. Step 6: Final answer
    x = 7,768,752.57

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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.