Home / 14,622,706.92-20,172,982.60-8,818,263.12

Finding the Fourth Proportional to 14,622,706.92, 20,172,982.60 and 8,818,263.12

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Solution

The fourth proportional to 14,622,706.92, 20,172,982.60 and 8,818,263.12 is: 12,165,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622,706.92 : 20,172,982.60 = 8,818,263.12 : x
  2. Step 2: Convert to fraction form
    14,622,706.92/20,172,982.60 = 8,818,263.12/x
  3. Step 3: Cross multiply
    14,622,706.92x = 20,172,982.60 × 8,818,263.12
  4. Step 4: Simplify right side
    14,622,706.92x = 177,890,668,481,981.72
  5. Step 5: Solve for x
    x = 177,890,668,481,981.72/14,622,706.92
  6. Step 6: Final answer
    x = 12,165,371.94

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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.