Home / 12,497,178.48-18,747,245.16-4,408,466.64

Finding the Fourth Proportional to 12,497,178.48, 18,747,245.16 and 4,408,466.64

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Solution

The fourth proportional to 12,497,178.48, 18,747,245.16 and 4,408,466.64 is: 6,613,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497,178.48 : 18,747,245.16 = 4,408,466.64 : x
  2. Step 2: Convert to fraction form
    12,497,178.48/18,747,245.16 = 4,408,466.64/x
  3. Step 3: Cross multiply
    12,497,178.48x = 18,747,245.16 × 4,408,466.64
  4. Step 4: Simplify right side
    12,497,178.48x = 82,646,604,879,761.45
  5. Step 5: Solve for x
    x = 82,646,604,879,761.45/12,497,178.48
  6. Step 6: Final answer
    x = 6,613,221.14

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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.