Home / 28,465,083.18-39,281,635.26-15,412,301.73

Finding the Fourth Proportional to 28,465,083.18, 39,281,635.26 and 15,412,301.73

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Solution

The fourth proportional to 28,465,083.18, 39,281,635.26 and 15,412,301.73 is: 21,268,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465,083.18 : 39,281,635.26 = 15,412,301.73 : x
  2. Step 2: Convert to fraction form
    28,465,083.18/39,281,635.26 = 15,412,301.73/x
  3. Step 3: Cross multiply
    28,465,083.18x = 39,281,635.26 × 15,412,301.73
  4. Step 4: Simplify right side
    28,465,083.18x = 605,420,415,074,927
  5. Step 5: Solve for x
    x = 605,420,415,074,927/28,465,083.18
  6. Step 6: Final answer
    x = 21,268,879.18

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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.