Home / 15,990,080.72-22,066,311.41-8,647,913.82

Finding the Fourth Proportional to 15,990,080.72, 22,066,311.41 and 8,647,913.82

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Solution

The fourth proportional to 15,990,080.72, 22,066,311.41 and 8,647,913.82 is: 11,934,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,080.72 : 22,066,311.41 = 8,647,913.82 : x
  2. Step 2: Convert to fraction form
    15,990,080.72/22,066,311.41 = 8,647,913.82/x
  3. Step 3: Cross multiply
    15,990,080.72x = 22,066,311.41 × 8,647,913.82
  4. Step 4: Simplify right side
    15,990,080.72x = 190,827,559,525,943.69
  5. Step 5: Solve for x
    x = 190,827,559,525,943.69/15,990,080.72
  6. Step 6: Final answer
    x = 11,934,121.09

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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.