Home / 18,782,904.30-28,174,356.45-9,216,966.30

Finding the Fourth Proportional to 18,782,904.30, 28,174,356.45 and 9,216,966.30

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Solution

The fourth proportional to 18,782,904.30, 28,174,356.45 and 9,216,966.30 is: 13,825,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,904.30 : 28,174,356.45 = 9,216,966.30 : x
  2. Step 2: Convert to fraction form
    18,782,904.30/28,174,356.45 = 9,216,966.30/x
  3. Step 3: Cross multiply
    18,782,904.30x = 28,174,356.45 × 9,216,966.30
  4. Step 4: Simplify right side
    18,782,904.30x = 259,682,093,923,837.66
  5. Step 5: Solve for x
    x = 259,682,093,923,837.66/18,782,904.30
  6. Step 6: Final answer
    x = 13,825,449.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.