Home / 12,134,485.20-18,201,727.80-3,498,568.95

Finding the Fourth Proportional to 12,134,485.20, 18,201,727.80 and 3,498,568.95

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Solution

The fourth proportional to 12,134,485.20, 18,201,727.80 and 3,498,568.95 is: 5,247,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,485.20 : 18,201,727.80 = 3,498,568.95 : x
  2. Step 2: Convert to fraction form
    12,134,485.20/18,201,727.80 = 3,498,568.95/x
  3. Step 3: Cross multiply
    12,134,485.20x = 18,201,727.80 × 3,498,568.95
  4. Step 4: Simplify right side
    12,134,485.20x = 63,679,999,717,431.81
  5. Step 5: Solve for x
    x = 63,679,999,717,431.81/12,134,485.20
  6. Step 6: Final answer
    x = 5,247,853.43

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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.