Home / 48,315,375.12-72,450,667.80-18,015,102.48

Finding the Fourth Proportional to 48,315,375.12, 72,450,667.80 and 18,015,102.48

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Solution

The fourth proportional to 48,315,375.12, 72,450,667.80 and 18,015,102.48 is: 27,014,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,315,375.12 : 72,450,667.80 = 18,015,102.48 : x
  2. Step 2: Convert to fraction form
    48,315,375.12/72,450,667.80 = 18,015,102.48/x
  3. Step 3: Cross multiply
    48,315,375.12x = 72,450,667.80 × 18,015,102.48
  4. Step 4: Simplify right side
    48,315,375.12x = 1,305,206,205,161,436
  5. Step 5: Solve for x
    x = 1,305,206,205,161,436/48,315,375.12
  6. Step 6: Final answer
    x = 27,014,303.46

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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.