Home / 7,815,861.92-10,786,487.82-4,917,737.00

Finding the Fourth Proportional to 7,815,861.92, 10,786,487.82 and 4,917,737.00

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Solution

The fourth proportional to 7,815,861.92, 10,786,487.82 and 4,917,737.00 is: 6,786,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,861.92 : 10,786,487.82 = 4,917,737.00 : x
  2. Step 2: Convert to fraction form
    7,815,861.92/10,786,487.82 = 4,917,737.00/x
  3. Step 3: Cross multiply
    7,815,861.92x = 10,786,487.82 × 4,917,737.00
  4. Step 4: Simplify right side
    7,815,861.92x = 53,045,110,260,988.05
  5. Step 5: Solve for x
    x = 53,045,110,260,988.05/7,815,861.92
  6. Step 6: Final answer
    x = 6,786,853.55

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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.