Home / 13,412,472-20,120,600.16-4,311,519.36

Finding the Fourth Proportional to 13,412,472, 20,120,600.16 and 4,311,519.36

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Solution

The fourth proportional to 13,412,472, 20,120,600.16 and 4,311,519.36 is: 6,467,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,472 : 20,120,600.16 = 4,311,519.36 : x
  2. Step 2: Convert to fraction form
    13,412,472/20,120,600.16 = 4,311,519.36/x
  3. Step 3: Cross multiply
    13,412,472x = 20,120,600.16 × 4,311,519.36
  4. Step 4: Simplify right side
    13,412,472x = 86,750,357,124,659.11
  5. Step 5: Solve for x
    x = 86,750,357,124,659.11/13,412,472
  6. Step 6: Final answer
    x = 6,467,887.29

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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.