Home / 8,469,891.79-12,671,580.09-6,536,193.77

Finding the Fourth Proportional to 8,469,891.79, 12,671,580.09 and 6,536,193.77

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Solution

The fourth proportional to 8,469,891.79, 12,671,580.09 and 6,536,193.77 is: 9,778,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469,891.79 : 12,671,580.09 = 6,536,193.77 : x
  2. Step 2: Convert to fraction form
    8,469,891.79/12,671,580.09 = 6,536,193.77/x
  3. Step 3: Cross multiply
    8,469,891.79x = 12,671,580.09 × 6,536,193.77
  4. Step 4: Simplify right side
    8,469,891.79x = 82,823,902,840,314.03
  5. Step 5: Solve for x
    x = 82,823,902,840,314.03/8,469,891.79
  6. Step 6: Final answer
    x = 9,778,625.85

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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.