Home / 12,380,491.62-17,085,612-6,873,866.76

Finding the Fourth Proportional to 12,380,491.62, 17,085,612 and 6,873,866.76

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Solution

The fourth proportional to 12,380,491.62, 17,085,612 and 6,873,866.76 is: 9,486,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380,491.62 : 17,085,612 = 6,873,866.76 : x
  2. Step 2: Convert to fraction form
    12,380,491.62/17,085,612 = 6,873,866.76/x
  3. Step 3: Cross multiply
    12,380,491.62x = 17,085,612 × 6,873,866.76
  4. Step 4: Simplify right side
    12,380,491.62x = 117,444,220,401,057.11
  5. Step 5: Solve for x
    x = 117,444,220,401,057.11/12,380,491.62
  6. Step 6: Final answer
    x = 9,486,232.37

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1.5x scale

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.