Home / 8,162,914.40-12,245,667.60-2,772,072.80

Finding the Fourth Proportional to 8,162,914.40, 12,245,667.60 and 2,772,072.80

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Solution

The fourth proportional to 8,162,914.40, 12,245,667.60 and 2,772,072.80 is: 4,158,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162,914.40 : 12,245,667.60 = 2,772,072.80 : x
  2. Step 2: Convert to fraction form
    8,162,914.40/12,245,667.60 = 2,772,072.80/x
  3. Step 3: Cross multiply
    8,162,914.40x = 12,245,667.60 × 2,772,072.80
  4. Step 4: Simplify right side
    8,162,914.40x = 33,945,882,071,801.28
  5. Step 5: Solve for x
    x = 33,945,882,071,801.28/8,162,914.40
  6. Step 6: Final answer
    x = 4,158,549.31

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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.