Home / 10,647,782.40-14,676,725.42-8,320,630.94

Finding the Fourth Proportional to 10,647,782.40, 14,676,725.42 and 8,320,630.94

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Solution

The fourth proportional to 10,647,782.40, 14,676,725.42 and 8,320,630.94 is: 11,469,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,782.40 : 14,676,725.42 = 8,320,630.94 : x
  2. Step 2: Convert to fraction form
    10,647,782.40/14,676,725.42 = 8,320,630.94/x
  3. Step 3: Cross multiply
    10,647,782.40x = 14,676,725.42 × 8,320,630.94
  4. Step 4: Simplify right side
    10,647,782.40x = 122,119,615,627,536.50
  5. Step 5: Solve for x
    x = 122,119,615,627,536.50/10,647,782.40
  6. Step 6: Final answer
    x = 11,469,018.72

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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.