Home / 8,383,755.52-12,562,799.81-5,641,145.78

Finding the Fourth Proportional to 8,383,755.52, 12,562,799.81 and 5,641,145.78

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Solution

The fourth proportional to 8,383,755.52, 12,562,799.81 and 5,641,145.78 is: 8,453,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,755.52 : 12,562,799.81 = 5,641,145.78 : x
  2. Step 2: Convert to fraction form
    8,383,755.52/12,562,799.81 = 5,641,145.78/x
  3. Step 3: Cross multiply
    8,383,755.52x = 12,562,799.81 × 5,641,145.78
  4. Step 4: Simplify right side
    8,383,755.52x = 70,868,585,104,960.58
  5. Step 5: Solve for x
    x = 70,868,585,104,960.58/8,383,755.52
  6. Step 6: Final answer
    x = 8,453,083.46

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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.