Home / 10,768,732.78-16,149,604.02-3,578,336.86

Finding the Fourth Proportional to 10,768,732.78, 16,149,604.02 and 3,578,336.86

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Solution

The fourth proportional to 10,768,732.78, 16,149,604.02 and 3,578,336.86 is: 5,366,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768,732.78 : 16,149,604.02 = 3,578,336.86 : x
  2. Step 2: Convert to fraction form
    10,768,732.78/16,149,604.02 = 3,578,336.86/x
  3. Step 3: Cross multiply
    10,768,732.78x = 16,149,604.02 × 3,578,336.86
  4. Step 4: Simplify right side
    10,768,732.78x = 57,788,723,339,170.17
  5. Step 5: Solve for x
    x = 57,788,723,339,170.17/10,768,732.78
  6. Step 6: Final answer
    x = 5,366,343.89

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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.