Home / 8,380,945.80-12,552,756.30-7,261,201.80

Finding the Fourth Proportional to 8,380,945.80, 12,552,756.30 and 7,261,201.80

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Solution

The fourth proportional to 8,380,945.80, 12,552,756.30 and 7,261,201.80 is: 10,875,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,945.80 : 12,552,756.30 = 7,261,201.80 : x
  2. Step 2: Convert to fraction form
    8,380,945.80/12,552,756.30 = 7,261,201.80/x
  3. Step 3: Cross multiply
    8,380,945.80x = 12,552,756.30 × 7,261,201.80
  4. Step 4: Simplify right side
    8,380,945.80x = 91,148,096,640,521.34
  5. Step 5: Solve for x
    x = 91,148,096,640,521.34/8,380,945.80
  6. Step 6: Final answer
    x = 10,875,633.71

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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.