Home / 12,555,911.10-18,847,863.45-6,887,207.10

Finding the Fourth Proportional to 12,555,911.10, 18,847,863.45 and 6,887,207.10

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Solution

The fourth proportional to 12,555,911.10, 18,847,863.45 and 6,887,207.10 is: 10,338,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,911.10 : 18,847,863.45 = 6,887,207.10 : x
  2. Step 2: Convert to fraction form
    12,555,911.10/18,847,863.45 = 6,887,207.10/x
  3. Step 3: Cross multiply
    12,555,911.10x = 18,847,863.45 × 6,887,207.10
  4. Step 4: Simplify right side
    12,555,911.10x = 129,809,138,972,670.48
  5. Step 5: Solve for x
    x = 129,809,138,972,670.48/12,555,911.10
  6. Step 6: Final answer
    x = 10,338,488.22

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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.