Home / 8,800,142.45-12,143,979.82-4,879,876.91

Finding the Fourth Proportional to 8,800,142.45, 12,143,979.82 and 4,879,876.91

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Solution

The fourth proportional to 8,800,142.45, 12,143,979.82 and 4,879,876.91 is: 6,734,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800,142.45 : 12,143,979.82 = 4,879,876.91 : x
  2. Step 2: Convert to fraction form
    8,800,142.45/12,143,979.82 = 4,879,876.91/x
  3. Step 3: Cross multiply
    8,800,142.45x = 12,143,979.82 × 4,879,876.91
  4. Step 4: Simplify right side
    8,800,142.45x = 59,261,126,719,123.96
  5. Step 5: Solve for x
    x = 59,261,126,719,123.96/8,800,142.45
  6. Step 6: Final answer
    x = 6,734,109.94

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1.5x scale

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.