Home / 12,103,630.70-18,155,446.05-4,529,612.30

Finding the Fourth Proportional to 12,103,630.70, 18,155,446.05 and 4,529,612.30

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Solution

The fourth proportional to 12,103,630.70, 18,155,446.05 and 4,529,612.30 is: 6,794,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,630.70 : 18,155,446.05 = 4,529,612.30 : x
  2. Step 2: Convert to fraction form
    12,103,630.70/18,155,446.05 = 4,529,612.30/x
  3. Step 3: Cross multiply
    12,103,630.70x = 18,155,446.05 × 4,529,612.30
  4. Step 4: Simplify right side
    12,103,630.70x = 82,237,131,740,066.42
  5. Step 5: Solve for x
    x = 82,237,131,740,066.42/12,103,630.70
  6. Step 6: Final answer
    x = 6,794,418.45

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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.