Home / 8,149,698.60-12,215,619.90-4,099,727.40

Finding the Fourth Proportional to 8,149,698.60, 12,215,619.90 and 4,099,727.40

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Solution

The fourth proportional to 8,149,698.60, 12,215,619.90 and 4,099,727.40 is: 6,145,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,698.60 : 12,215,619.90 = 4,099,727.40 : x
  2. Step 2: Convert to fraction form
    8,149,698.60/12,215,619.90 = 4,099,727.40/x
  3. Step 3: Cross multiply
    8,149,698.60x = 12,215,619.90 × 4,099,727.40
  4. Step 4: Simplify right side
    8,149,698.60x = 50,080,711,612,015.26
  5. Step 5: Solve for x
    x = 50,080,711,612,015.26/8,149,698.60
  6. Step 6: Final answer
    x = 6,145,099.85

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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.