Home / 13,665,839.94-18,859,083.30-8,159,695.92

Finding the Fourth Proportional to 13,665,839.94, 18,859,083.30 and 8,159,695.92

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Solution

The fourth proportional to 13,665,839.94, 18,859,083.30 and 8,159,695.92 is: 11,260,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,839.94 : 18,859,083.30 = 8,159,695.92 : x
  2. Step 2: Convert to fraction form
    13,665,839.94/18,859,083.30 = 8,159,695.92/x
  3. Step 3: Cross multiply
    13,665,839.94x = 18,859,083.30 × 8,159,695.92
  4. Step 4: Simplify right side
    13,665,839.94x = 153,884,385,057,950.16
  5. Step 5: Solve for x
    x = 153,884,385,057,950.16/13,665,839.94
  6. Step 6: Final answer
    x = 11,260,514.23

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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.