Home / 8,101,355.20-12,152,032.80-2,117,723.20

Finding the Fourth Proportional to 8,101,355.20, 12,152,032.80 and 2,117,723.20

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Solution

The fourth proportional to 8,101,355.20, 12,152,032.80 and 2,117,723.20 is: 3,176,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101,355.20 : 12,152,032.80 = 2,117,723.20 : x
  2. Step 2: Convert to fraction form
    8,101,355.20/12,152,032.80 = 2,117,723.20/x
  3. Step 3: Cross multiply
    8,101,355.20x = 12,152,032.80 × 2,117,723.20
  4. Step 4: Simplify right side
    8,101,355.20x = 25,734,641,787,720.96
  5. Step 5: Solve for x
    x = 25,734,641,787,720.96/8,101,355.20
  6. Step 6: Final answer
    x = 3,176,584.80

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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.