Home / 12,003,747.63-18,006,423.11-4,221,728.11

Finding the Fourth Proportional to 12,003,747.63, 18,006,423.11 and 4,221,728.11

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Solution

The fourth proportional to 12,003,747.63, 18,006,423.11 and 4,221,728.11 is: 6,332,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,747.63 : 18,006,423.11 = 4,221,728.11 : x
  2. Step 2: Convert to fraction form
    12,003,747.63/18,006,423.11 = 4,221,728.11/x
  3. Step 3: Cross multiply
    12,003,747.63x = 18,006,423.11 × 4,221,728.11
  4. Step 4: Simplify right side
    12,003,747.63x = 76,018,222,604,040.62
  5. Step 5: Solve for x
    x = 76,018,222,604,040.62/12,003,747.63
  6. Step 6: Final answer
    x = 6,332,874.11

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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.