Home / 8,149,635.60-12,215,525.40-4,099,664.40

Finding the Fourth Proportional to 8,149,635.60, 12,215,525.40 and 4,099,664.40

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Solution

The fourth proportional to 8,149,635.60, 12,215,525.40 and 4,099,664.40 is: 6,145,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,635.60 : 12,215,525.40 = 4,099,664.40 : x
  2. Step 2: Convert to fraction form
    8,149,635.60/12,215,525.40 = 4,099,664.40/x
  3. Step 3: Cross multiply
    8,149,635.60x = 12,215,525.40 × 4,099,664.40
  4. Step 4: Simplify right side
    8,149,635.60x = 50,079,554,609,675.76
  5. Step 5: Solve for x
    x = 50,079,554,609,675.76/8,149,635.60
  6. Step 6: Final answer
    x = 6,145,005.38

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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.