Home / 6,784,847.40-10,193,859.90-5,105,231.40

Finding the Fourth Proportional to 6,784,847.40, 10,193,859.90 and 5,105,231.40

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Solution

The fourth proportional to 6,784,847.40, 10,193,859.90 and 5,105,231.40 is: 7,670,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784,847.40 : 10,193,859.90 = 5,105,231.40 : x
  2. Step 2: Convert to fraction form
    6,784,847.40/10,193,859.90 = 5,105,231.40/x
  3. Step 3: Cross multiply
    6,784,847.40x = 10,193,859.90 × 5,105,231.40
  4. Step 4: Simplify right side
    6,784,847.40x = 52,042,013,648,680.87
  5. Step 5: Solve for x
    x = 52,042,013,648,680.87/6,784,847.40
  6. Step 6: Final answer
    x = 7,670,329.28

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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.