Home / 31,247,999.20-46,871,998.80-28,067,226.40

Finding the Fourth Proportional to 31,247,999.20, 46,871,998.80 and 28,067,226.40

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Solution

The fourth proportional to 31,247,999.20, 46,871,998.80 and 28,067,226.40 is: 42,100,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247,999.20 : 46,871,998.80 = 28,067,226.40 : x
  2. Step 2: Convert to fraction form
    31,247,999.20/46,871,998.80 = 28,067,226.40/x
  3. Step 3: Cross multiply
    31,247,999.20x = 46,871,998.80 × 28,067,226.40
  4. Step 4: Simplify right side
    31,247,999.20x = 1,315,567,002,140,128.25
  5. Step 5: Solve for x
    x = 1,315,567,002,140,128.25/31,247,999.20
  6. Step 6: Final answer
    x = 42,100,839.60

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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.