Home / 8,085,384.60-12,128,076.90-4,896,738.60

Finding the Fourth Proportional to 8,085,384.60, 12,128,076.90 and 4,896,738.60

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Solution

The fourth proportional to 8,085,384.60, 12,128,076.90 and 4,896,738.60 is: 7,345,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,384.60 : 12,128,076.90 = 4,896,738.60 : x
  2. Step 2: Convert to fraction form
    8,085,384.60/12,128,076.90 = 4,896,738.60/x
  3. Step 3: Cross multiply
    8,085,384.60x = 12,128,076.90 × 4,896,738.60
  4. Step 4: Simplify right side
    8,085,384.60x = 59,388,022,299,998.34
  5. Step 5: Solve for x
    x = 59,388,022,299,998.34/8,085,384.60
  6. Step 6: Final answer
    x = 7,345,107.90

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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.