Home / 11,320,698.96-16,949,160.15-10,172,786.40

Finding the Fourth Proportional to 11,320,698.96, 16,949,160.15 and 10,172,786.40

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Solution

The fourth proportional to 11,320,698.96, 16,949,160.15 and 10,172,786.40 is: 15,230,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320,698.96 : 16,949,160.15 = 10,172,786.40 : x
  2. Step 2: Convert to fraction form
    11,320,698.96/16,949,160.15 = 10,172,786.40/x
  3. Step 3: Cross multiply
    11,320,698.96x = 16,949,160.15 × 10,172,786.40
  4. Step 4: Simplify right side
    11,320,698.96x = 172,420,185,865,341.94
  5. Step 5: Solve for x
    x = 172,420,185,865,341.94/11,320,698.96
  6. Step 6: Final answer
    x = 15,230,524.76

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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.