Home / 8,408,796.21-12,567,115.20-6,139,100.28

Finding the Fourth Proportional to 8,408,796.21, 12,567,115.20 and 6,139,100.28

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Solution

The fourth proportional to 8,408,796.21, 12,567,115.20 and 6,139,100.28 is: 9,175,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,796.21 : 12,567,115.20 = 6,139,100.28 : x
  2. Step 2: Convert to fraction form
    8,408,796.21/12,567,115.20 = 6,139,100.28/x
  3. Step 3: Cross multiply
    8,408,796.21x = 12,567,115.20 × 6,139,100.28
  4. Step 4: Simplify right side
    8,408,796.21x = 77,150,780,443,112.25
  5. Step 5: Solve for x
    x = 77,150,780,443,112.25/8,408,796.21
  6. Step 6: Final answer
    x = 9,175,008.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.