Home / 17,765,839.20-26,640,982.80-8,178,031.20

Finding the Fourth Proportional to 17,765,839.20, 26,640,982.80 and 8,178,031.20

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Solution

The fourth proportional to 17,765,839.20, 26,640,982.80 and 8,178,031.20 is: 12,263,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765,839.20 : 26,640,982.80 = 8,178,031.20 : x
  2. Step 2: Convert to fraction form
    17,765,839.20/26,640,982.80 = 8,178,031.20/x
  3. Step 3: Cross multiply
    17,765,839.20x = 26,640,982.80 × 8,178,031.20
  4. Step 4: Simplify right side
    17,765,839.20x = 217,870,788,537,063.38
  5. Step 5: Solve for x
    x = 217,870,788,537,063.38/17,765,839.20
  6. Step 6: Final answer
    x = 12,263,467.33

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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.