Home / 8,109,337.86-11,190,915.81-4,388,168.88

Finding the Fourth Proportional to 8,109,337.86, 11,190,915.81 and 4,388,168.88

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Solution

The fourth proportional to 8,109,337.86, 11,190,915.81 and 4,388,168.88 is: 6,055,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,337.86 : 11,190,915.81 = 4,388,168.88 : x
  2. Step 2: Convert to fraction form
    8,109,337.86/11,190,915.81 = 4,388,168.88/x
  3. Step 3: Cross multiply
    8,109,337.86x = 11,190,915.81 × 4,388,168.88
  4. Step 4: Simplify right side
    8,109,337.86x = 49,107,628,496,141.99
  5. Step 5: Solve for x
    x = 49,107,628,496,141.99/8,109,337.86
  6. Step 6: Final answer
    x = 6,055,689.05

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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.