Home / 7,785,958.72-10,666,586.20-7,494,855.64

Finding the Fourth Proportional to 7,785,958.72, 10,666,586.20 and 7,494,855.64

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Solution

The fourth proportional to 7,785,958.72, 10,666,586.20 and 7,494,855.64 is: 10,267,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785,958.72 : 10,666,586.20 = 7,494,855.64 : x
  2. Step 2: Convert to fraction form
    7,785,958.72/10,666,586.20 = 7,494,855.64/x
  3. Step 3: Cross multiply
    7,785,958.72x = 10,666,586.20 × 7,494,855.64
  4. Step 4: Simplify right side
    7,785,958.72x = 79,944,523,740,616.16
  5. Step 5: Solve for x
    x = 79,944,523,740,616.16/7,785,958.72
  6. Step 6: Final answer
    x = 10,267,781.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.