Home / 20,079,443.30-27,699,433.72-13,114,198.22

Finding the Fourth Proportional to 20,079,443.30, 27,699,433.72 and 13,114,198.22

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Solution

The fourth proportional to 20,079,443.30, 27,699,433.72 and 13,114,198.22 is: 18,090,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079,443.30 : 27,699,433.72 = 13,114,198.22 : x
  2. Step 2: Convert to fraction form
    20,079,443.30/27,699,433.72 = 13,114,198.22/x
  3. Step 3: Cross multiply
    20,079,443.30x = 27,699,433.72 × 13,114,198.22
  4. Step 4: Simplify right side
    20,079,443.30x = 363,255,864,214,549.31
  5. Step 5: Solve for x
    x = 363,255,864,214,549.31/20,079,443.30
  6. Step 6: Final answer
    x = 18,090,933.04

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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.