Home / 13,906,612.80-20,859,919.20-4,929,998.40

Finding the Fourth Proportional to 13,906,612.80, 20,859,919.20 and 4,929,998.40

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Solution

The fourth proportional to 13,906,612.80, 20,859,919.20 and 4,929,998.40 is: 7,394,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,612.80 : 20,859,919.20 = 4,929,998.40 : x
  2. Step 2: Convert to fraction form
    13,906,612.80/20,859,919.20 = 4,929,998.40/x
  3. Step 3: Cross multiply
    13,906,612.80x = 20,859,919.20 × 4,929,998.40
  4. Step 4: Simplify right side
    13,906,612.80x = 102,839,368,280,129.28
  5. Step 5: Solve for x
    x = 102,839,368,280,129.28/13,906,612.80
  6. Step 6: Final answer
    x = 7,394,997.60

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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.