Home / 18,254,862.96-25,190,753.67-9,993,342.48

Finding the Fourth Proportional to 18,254,862.96, 25,190,753.67 and 9,993,342.48

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Solution

The fourth proportional to 18,254,862.96, 25,190,753.67 and 9,993,342.48 is: 13,790,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,862.96 : 25,190,753.67 = 9,993,342.48 : x
  2. Step 2: Convert to fraction form
    18,254,862.96/25,190,753.67 = 9,993,342.48/x
  3. Step 3: Cross multiply
    18,254,862.96x = 25,190,753.67 × 9,993,342.48
  4. Step 4: Simplify right side
    18,254,862.96x = 251,739,828,753,626.94
  5. Step 5: Solve for x
    x = 251,739,828,753,626.94/18,254,862.96
  6. Step 6: Final answer
    x = 13,790,288.61

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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.