Home / 18,551,348.13-27,828,928.98-6,420,791.77

Finding the Fourth Proportional to 18,551,348.13, 27,828,928.98 and 6,420,791.77

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Solution

The fourth proportional to 18,551,348.13, 27,828,928.98 and 6,420,791.77 is: 9,631,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,348.13 : 27,828,928.98 = 6,420,791.77 : x
  2. Step 2: Convert to fraction form
    18,551,348.13/27,828,928.98 = 6,420,791.77/x
  3. Step 3: Cross multiply
    18,551,348.13x = 27,828,928.98 × 6,420,791.77
  4. Step 4: Simplify right side
    18,551,348.13x = 178,683,758,162,698.50
  5. Step 5: Solve for x
    x = 178,683,758,162,698.50/18,551,348.13
  6. Step 6: Final answer
    x = 9,631,847.61

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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.