Home / 18,922,179.60-28,401,213.66-11,711,903.04

Finding the Fourth Proportional to 18,922,179.60, 28,401,213.66 and 11,711,903.04

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Solution

The fourth proportional to 18,922,179.60, 28,401,213.66 and 11,711,903.04 is: 17,578,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922,179.60 : 28,401,213.66 = 11,711,903.04 : x
  2. Step 2: Convert to fraction form
    18,922,179.60/28,401,213.66 = 11,711,903.04/x
  3. Step 3: Cross multiply
    18,922,179.60x = 28,401,213.66 × 11,711,903.04
  4. Step 4: Simplify right side
    18,922,179.60x = 332,632,260,604,243.50
  5. Step 5: Solve for x
    x = 332,632,260,604,243.50/18,922,179.60
  6. Step 6: Final answer
    x = 17,578,961.18

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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.