Home / 10,728,080.10-16,110,782.55-5,689,232.10

Finding the Fourth Proportional to 10,728,080.10, 16,110,782.55 and 5,689,232.10

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Solution

The fourth proportional to 10,728,080.10, 16,110,782.55 and 5,689,232.10 is: 8,543,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,080.10 : 16,110,782.55 = 5,689,232.10 : x
  2. Step 2: Convert to fraction form
    10,728,080.10/16,110,782.55 = 5,689,232.10/x
  3. Step 3: Cross multiply
    10,728,080.10x = 16,110,782.55 × 5,689,232.10
  4. Step 4: Simplify right side
    10,728,080.10x = 91,657,981,239,579.86
  5. Step 5: Solve for x
    x = 91,657,981,239,579.86/10,728,080.10
  6. Step 6: Final answer
    x = 8,543,745.05

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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.