Home / 39,167,413.56-54,049,955.77-21,763,311.30

Finding the Fourth Proportional to 39,167,413.56, 54,049,955.77 and 21,763,311.30

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Solution

The fourth proportional to 39,167,413.56, 54,049,955.77 and 21,763,311.30 is: 30,032,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167,413.56 : 54,049,955.77 = 21,763,311.30 : x
  2. Step 2: Convert to fraction form
    39,167,413.56/54,049,955.77 = 21,763,311.30/x
  3. Step 3: Cross multiply
    39,167,413.56x = 54,049,955.77 × 21,763,311.30
  4. Step 4: Simplify right side
    39,167,413.56x = 1,176,306,013,173,741.25
  5. Step 5: Solve for x
    x = 1,176,306,013,173,741.25/39,167,413.56
  6. Step 6: Final answer
    x = 30,032,772.30

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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.