Home / 11,905,473.43-17,859,984.69-4,228,473.30

Finding the Fourth Proportional to 11,905,473.43, 17,859,984.69 and 4,228,473.30

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Solution

The fourth proportional to 11,905,473.43, 17,859,984.69 and 4,228,473.30 is: 6,343,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905,473.43 : 17,859,984.69 = 4,228,473.30 : x
  2. Step 2: Convert to fraction form
    11,905,473.43/17,859,984.69 = 4,228,473.30/x
  3. Step 3: Cross multiply
    11,905,473.43x = 17,859,984.69 × 4,228,473.30
  4. Step 4: Simplify right side
    11,905,473.43x = 75,520,468,375,401.64
  5. Step 5: Solve for x
    x = 75,520,468,375,401.64/11,905,473.43
  6. Step 6: Final answer
    x = 6,343,340.21

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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.