Home / 8,753,762.22-12,078,064.35-5,131,390.38

Finding the Fourth Proportional to 8,753,762.22, 12,078,064.35 and 5,131,390.38

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Solution

The fourth proportional to 8,753,762.22, 12,078,064.35 and 5,131,390.38 is: 7,080,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753,762.22 : 12,078,064.35 = 5,131,390.38 : x
  2. Step 2: Convert to fraction form
    8,753,762.22/12,078,064.35 = 5,131,390.38/x
  3. Step 3: Cross multiply
    8,753,762.22x = 12,078,064.35 × 5,131,390.38
  4. Step 4: Simplify right side
    8,753,762.22x = 61,977,263,214,610.95
  5. Step 5: Solve for x
    x = 61,977,263,214,610.95/8,753,762.22
  6. Step 6: Final answer
    x = 7,080,071.59

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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.