Home / 6,315,167.86-8,712,942.24-3,865,224.88

Finding the Fourth Proportional to 6,315,167.86, 8,712,942.24 and 3,865,224.88

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Solution

The fourth proportional to 6,315,167.86, 8,712,942.24 and 3,865,224.88 is: 5,332,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,167.86 : 8,712,942.24 = 3,865,224.88 : x
  2. Step 2: Convert to fraction form
    6,315,167.86/8,712,942.24 = 3,865,224.88/x
  3. Step 3: Cross multiply
    6,315,167.86x = 8,712,942.24 × 3,865,224.88
  4. Step 4: Simplify right side
    6,315,167.86x = 33,677,481,124,050.93
  5. Step 5: Solve for x
    x = 33,677,481,124,050.93/6,315,167.86
  6. Step 6: Final answer
    x = 5,332,792.71

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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.