Home / 8,085,846.40-12,128,769.60-2,694,672.70

Finding the Fourth Proportional to 8,085,846.40, 12,128,769.60 and 2,694,672.70

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Solution

The fourth proportional to 8,085,846.40, 12,128,769.60 and 2,694,672.70 is: 4,042,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,846.40 : 12,128,769.60 = 2,694,672.70 : x
  2. Step 2: Convert to fraction form
    8,085,846.40/12,128,769.60 = 2,694,672.70/x
  3. Step 3: Cross multiply
    8,085,846.40x = 12,128,769.60 × 2,694,672.70
  4. Step 4: Simplify right side
    8,085,846.40x = 32,683,064,325,709.92
  5. Step 5: Solve for x
    x = 32,683,064,325,709.92/8,085,846.40
  6. Step 6: Final answer
    x = 4,042,009.05

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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.