Home / 15,085,406.25-20,814,230.21-8,890,699.59

Finding the Fourth Proportional to 15,085,406.25, 20,814,230.21 and 8,890,699.59

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Solution

The fourth proportional to 15,085,406.25, 20,814,230.21 and 8,890,699.59 is: 12,267,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085,406.25 : 20,814,230.21 = 8,890,699.59 : x
  2. Step 2: Convert to fraction form
    15,085,406.25/20,814,230.21 = 8,890,699.59/x
  3. Step 3: Cross multiply
    15,085,406.25x = 20,814,230.21 × 8,890,699.59
  4. Step 4: Simplify right side
    15,085,406.25x = 185,053,067,949,759.09
  5. Step 5: Solve for x
    x = 185,053,067,949,759.09/15,085,406.25
  6. Step 6: Final answer
    x = 12,267,025.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.