Home / 8,512,773.60-12,769,160.40-8,400,799.20

Finding the Fourth Proportional to 8,512,773.60, 12,769,160.40 and 8,400,799.20

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Solution

The fourth proportional to 8,512,773.60, 12,769,160.40 and 8,400,799.20 is: 12,601,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,773.60 : 12,769,160.40 = 8,400,799.20 : x
  2. Step 2: Convert to fraction form
    8,512,773.60/12,769,160.40 = 8,400,799.20/x
  3. Step 3: Cross multiply
    8,512,773.60x = 12,769,160.40 × 8,400,799.20
  4. Step 4: Simplify right side
    8,512,773.60x = 107,271,152,472,991.67
  5. Step 5: Solve for x
    x = 107,271,152,472,991.67/8,512,773.60
  6. Step 6: Final answer
    x = 12,601,198.80

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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.