Home / 8,783,142.62-12,120,734.99-4,915,663.56

Finding the Fourth Proportional to 8,783,142.62, 12,120,734.99 and 4,915,663.56

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Solution

The fourth proportional to 8,783,142.62, 12,120,734.99 and 4,915,663.56 is: 6,783,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783,142.62 : 12,120,734.99 = 4,915,663.56 : x
  2. Step 2: Convert to fraction form
    8,783,142.62/12,120,734.99 = 4,915,663.56/x
  3. Step 3: Cross multiply
    8,783,142.62x = 12,120,734.99 × 4,915,663.56
  4. Step 4: Simplify right side
    8,783,142.62x = 59,581,455,323,049.12
  5. Step 5: Solve for x
    x = 59,581,455,323,049.12/8,783,142.62
  6. Step 6: Final answer
    x = 6,783,614.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.