Home / 13,514,391.90-18,650,161.97-7,713,057.28

Finding the Fourth Proportional to 13,514,391.90, 18,650,161.97 and 7,713,057.28

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Solution

The fourth proportional to 13,514,391.90, 18,650,161.97 and 7,713,057.28 is: 10,644,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,391.90 : 18,650,161.97 = 7,713,057.28 : x
  2. Step 2: Convert to fraction form
    13,514,391.90/18,650,161.97 = 7,713,057.28/x
  3. Step 3: Cross multiply
    13,514,391.90x = 18,650,161.97 × 7,713,057.28
  4. Step 4: Simplify right side
    13,514,391.90x = 143,849,767,555,887.62
  5. Step 5: Solve for x
    x = 143,849,767,555,887.62/13,514,391.90
  6. Step 6: Final answer
    x = 10,644,190.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.