Home / 8,634,221.40-12,947,832.90-2,951,520.60

Finding the Fourth Proportional to 8,634,221.40, 12,947,832.90 and 2,951,520.60

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Solution

The fourth proportional to 8,634,221.40, 12,947,832.90 and 2,951,520.60 is: 4,426,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634,221.40 : 12,947,832.90 = 2,951,520.60 : x
  2. Step 2: Convert to fraction form
    8,634,221.40/12,947,832.90 = 2,951,520.60/x
  3. Step 3: Cross multiply
    8,634,221.40x = 12,947,832.90 × 2,951,520.60
  4. Step 4: Simplify right side
    8,634,221.40x = 38,215,795,529,707.74
  5. Step 5: Solve for x
    x = 38,215,795,529,707.74/8,634,221.40
  6. Step 6: Final answer
    x = 4,426,084.73

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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.