Home / 18,909,624.20-28,364,436.30-18,767,906.60

Finding the Fourth Proportional to 18,909,624.20, 28,364,436.30 and 18,767,906.60

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Solution

The fourth proportional to 18,909,624.20, 28,364,436.30 and 18,767,906.60 is: 28,151,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909,624.20 : 28,364,436.30 = 18,767,906.60 : x
  2. Step 2: Convert to fraction form
    18,909,624.20/28,364,436.30 = 18,767,906.60/x
  3. Step 3: Cross multiply
    18,909,624.20x = 28,364,436.30 × 18,767,906.60
  4. Step 4: Simplify right side
    18,909,624.20x = 532,341,091,240,049.62
  5. Step 5: Solve for x
    x = 532,341,091,240,049.62/18,909,624.20
  6. Step 6: Final answer
    x = 28,151,859.90

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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.