Home / 13,879,645.80-20,820,285.42-5,360,026.92

Finding the Fourth Proportional to 13,879,645.80, 20,820,285.42 and 5,360,026.92

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Solution

The fourth proportional to 13,879,645.80, 20,820,285.42 and 5,360,026.92 is: 8,040,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,645.80 : 20,820,285.42 = 5,360,026.92 : x
  2. Step 2: Convert to fraction form
    13,879,645.80/20,820,285.42 = 5,360,026.92/x
  3. Step 3: Cross multiply
    13,879,645.80x = 20,820,285.42 × 5,360,026.92
  4. Step 4: Simplify right side
    13,879,645.80x = 111,597,290,333,283.52
  5. Step 5: Solve for x
    x = 111,597,290,333,283.52/13,879,645.80
  6. Step 6: Final answer
    x = 8,040,355.78

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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.