Home / 9,297,705.54-13,905,765.97-8,280,211.31

Finding the Fourth Proportional to 9,297,705.54, 13,905,765.97 and 8,280,211.31

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Solution

The fourth proportional to 9,297,705.54, 13,905,765.97 and 8,280,211.31 is: 12,383,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,297,705.54 : 13,905,765.97 = 8,280,211.31 : x
  2. Step 2: Convert to fraction form
    9,297,705.54/13,905,765.97 = 8,280,211.31/x
  3. Step 3: Cross multiply
    9,297,705.54x = 13,905,765.97 × 8,280,211.31
  4. Step 4: Simplify right side
    9,297,705.54x = 115,142,680,628,390.59
  5. Step 5: Solve for x
    x = 115,142,680,628,390.59/9,297,705.54
  6. Step 6: Final answer
    x = 12,383,988.73

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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.