Home / 18,254,866.21-25,190,758.15-9,993,345.73

Finding the Fourth Proportional to 18,254,866.21, 25,190,758.15 and 9,993,345.73

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Solution

The fourth proportional to 18,254,866.21, 25,190,758.15 and 9,993,345.73 is: 13,790,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,866.21 : 25,190,758.15 = 9,993,345.73 : x
  2. Step 2: Convert to fraction form
    18,254,866.21/25,190,758.15 = 9,993,345.73/x
  3. Step 3: Cross multiply
    18,254,866.21x = 25,190,758.15 × 9,993,345.73
  4. Step 4: Simplify right side
    18,254,866.21x = 251,739,955,393,765.19
  5. Step 5: Solve for x
    x = 251,739,955,393,765.19/18,254,866.21
  6. Step 6: Final answer
    x = 13,790,293.09

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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.