Home / 8,013,698.15-11,991,813.48-6,937,910.82

Finding the Fourth Proportional to 8,013,698.15, 11,991,813.48 and 6,937,910.82

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Solution

The fourth proportional to 8,013,698.15, 11,991,813.48 and 6,937,910.82 is: 10,381,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013,698.15 : 11,991,813.48 = 6,937,910.82 : x
  2. Step 2: Convert to fraction form
    8,013,698.15/11,991,813.48 = 6,937,910.82/x
  3. Step 3: Cross multiply
    8,013,698.15x = 11,991,813.48 × 6,937,910.82
  4. Step 4: Simplify right side
    8,013,698.15x = 83,198,132,494,313.86
  5. Step 5: Solve for x
    x = 83,198,132,494,313.86/8,013,698.15
  6. Step 6: Final answer
    x = 10,381,989.81

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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.