Home / 8,586,039.90-12,879,059.85-6,206,583.90

Finding the Fourth Proportional to 8,586,039.90, 12,879,059.85 and 6,206,583.90

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Solution

The fourth proportional to 8,586,039.90, 12,879,059.85 and 6,206,583.90 is: 9,309,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586,039.90 : 12,879,059.85 = 6,206,583.90 : x
  2. Step 2: Convert to fraction form
    8,586,039.90/12,879,059.85 = 6,206,583.90/x
  3. Step 3: Cross multiply
    8,586,039.90x = 12,879,059.85 × 6,206,583.90
  4. Step 4: Simplify right side
    8,586,039.90x = 79,934,965,512,146.42
  5. Step 5: Solve for x
    x = 79,934,965,512,146.42/8,586,039.90
  6. Step 6: Final answer
    x = 9,309,875.85

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Similar ratio
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1.5x scale

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.