Home / 12,358,039.20-18,542,307.60-5,965,000.80

Finding the Fourth Proportional to 12,358,039.20, 18,542,307.60 and 5,965,000.80

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Solution

The fourth proportional to 12,358,039.20, 18,542,307.60 and 5,965,000.80 is: 8,950,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358,039.20 : 18,542,307.60 = 5,965,000.80 : x
  2. Step 2: Convert to fraction form
    12,358,039.20/18,542,307.60 = 5,965,000.80/x
  3. Step 3: Cross multiply
    12,358,039.20x = 18,542,307.60 × 5,965,000.80
  4. Step 4: Simplify right side
    12,358,039.20x = 110,604,879,667,846.08
  5. Step 5: Solve for x
    x = 110,604,879,667,846.08/12,358,039.20
  6. Step 6: Final answer
    x = 8,950,034.70

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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.