Home / 27,985,413.12-38,629,532.16-16,386,704.64

Finding the Fourth Proportional to 27,985,413.12, 38,629,532.16 and 16,386,704.64

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Solution

The fourth proportional to 27,985,413.12, 38,629,532.16 and 16,386,704.64 is: 22,619,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985,413.12 : 38,629,532.16 = 16,386,704.64 : x
  2. Step 2: Convert to fraction form
    27,985,413.12/38,629,532.16 = 16,386,704.64/x
  3. Step 3: Cross multiply
    27,985,413.12x = 38,629,532.16 × 16,386,704.64
  4. Step 4: Simplify right side
    27,985,413.12x = 633,010,733,887,301.12
  5. Step 5: Solve for x
    x = 633,010,733,887,301.12/27,985,413.12
  6. Step 6: Final answer
    x = 22,619,309.97

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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.