Home / 12,215,784.35-18,325,929.14-4,018,887.85

Finding the Fourth Proportional to 12,215,784.35, 18,325,929.14 and 4,018,887.85

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Solution

The fourth proportional to 12,215,784.35, 18,325,929.14 and 4,018,887.85 is: 6,029,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,784.35 : 18,325,929.14 = 4,018,887.85 : x
  2. Step 2: Convert to fraction form
    12,215,784.35/18,325,929.14 = 4,018,887.85/x
  3. Step 3: Cross multiply
    12,215,784.35x = 18,325,929.14 × 4,018,887.85
  4. Step 4: Simplify right side
    12,215,784.35x = 73,649,853,944,229.64
  5. Step 5: Solve for x
    x = 73,649,853,944,229.64/12,215,784.35
  6. Step 6: Final answer
    x = 6,029,072.86

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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.