Home / 6,665,631.34-9,198,551.55-3,609,844.78

Finding the Fourth Proportional to 6,665,631.34, 9,198,551.55 and 3,609,844.78

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Solution

The fourth proportional to 6,665,631.34, 9,198,551.55 and 3,609,844.78 is: 4,981,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,631.34 : 9,198,551.55 = 3,609,844.78 : x
  2. Step 2: Convert to fraction form
    6,665,631.34/9,198,551.55 = 3,609,844.78/x
  3. Step 3: Cross multiply
    6,665,631.34x = 9,198,551.55 × 3,609,844.78
  4. Step 4: Simplify right side
    6,665,631.34x = 33,205,343,296,328.41
  5. Step 5: Solve for x
    x = 33,205,343,296,328.41/6,665,631.34
  6. Step 6: Final answer
    x = 4,981,575.13

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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.