Home / 8,093,011.20-12,139,516.80-6,286,111.80

Finding the Fourth Proportional to 8,093,011.20, 12,139,516.80 and 6,286,111.80

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Solution

The fourth proportional to 8,093,011.20, 12,139,516.80 and 6,286,111.80 is: 9,429,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,011.20 : 12,139,516.80 = 6,286,111.80 : x
  2. Step 2: Convert to fraction form
    8,093,011.20/12,139,516.80 = 6,286,111.80/x
  3. Step 3: Cross multiply
    8,093,011.20x = 12,139,516.80 × 6,286,111.80
  4. Step 4: Simplify right side
    8,093,011.20x = 76,310,359,802,778.25
  5. Step 5: Solve for x
    x = 76,310,359,802,778.25/8,093,011.20
  6. Step 6: Final answer
    x = 9,429,167.70

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Double scale
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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.