Home / 8,753,767.22-12,078,071.24-5,131,395.38

Finding the Fourth Proportional to 8,753,767.22, 12,078,071.24 and 5,131,395.38

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Solution

The fourth proportional to 8,753,767.22, 12,078,071.24 and 5,131,395.38 is: 7,080,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753,767.22 : 12,078,071.24 = 5,131,395.38 : x
  2. Step 2: Convert to fraction form
    8,753,767.22/12,078,071.24 = 5,131,395.38/x
  3. Step 3: Cross multiply
    8,753,767.22x = 12,078,071.24 × 5,131,395.38
  4. Step 4: Simplify right side
    8,753,767.22x = 61,977,358,960,246.87
  5. Step 5: Solve for x
    x = 61,977,358,960,246.87/8,753,767.22
  6. Step 6: Final answer
    x = 7,080,078.49

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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.