Home / 8,084,961.60-12,109,727.70-7,187,416.80

Finding the Fourth Proportional to 8,084,961.60, 12,109,727.70 and 7,187,416.80

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Solution

The fourth proportional to 8,084,961.60, 12,109,727.70 and 7,187,416.80 is: 10,765,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,961.60 : 12,109,727.70 = 7,187,416.80 : x
  2. Step 2: Convert to fraction form
    8,084,961.60/12,109,727.70 = 7,187,416.80/x
  3. Step 3: Cross multiply
    8,084,961.60x = 12,109,727.70 × 7,187,416.80
  4. Step 4: Simplify right side
    8,084,961.60x = 87,037,660,314,405.36
  5. Step 5: Solve for x
    x = 87,037,660,314,405.36/8,084,961.60
  6. Step 6: Final answer
    x = 10,765,377.08

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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.