Home / 8,143,042.88-12,212,905.44-3,092,582.72

Finding the Fourth Proportional to 8,143,042.88, 12,212,905.44 and 3,092,582.72

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Solution

The fourth proportional to 8,143,042.88, 12,212,905.44 and 3,092,582.72 is: 4,638,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,042.88 : 12,212,905.44 = 3,092,582.72 : x
  2. Step 2: Convert to fraction form
    8,143,042.88/12,212,905.44 = 3,092,582.72/x
  3. Step 3: Cross multiply
    8,143,042.88x = 12,212,905.44 × 3,092,582.72
  4. Step 4: Simplify right side
    8,143,042.88x = 37,769,420,324,738
  5. Step 5: Solve for x
    x = 37,769,420,324,738/8,143,042.88
  6. Step 6: Final answer
    x = 4,638,244.07

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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.