Home / 8,051,982.35-11,118,439.98-7,467,803.21

Finding the Fourth Proportional to 8,051,982.35, 11,118,439.98 and 7,467,803.21

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Solution

The fourth proportional to 8,051,982.35, 11,118,439.98 and 7,467,803.21 is: 10,311,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051,982.35 : 11,118,439.98 = 7,467,803.21 : x
  2. Step 2: Convert to fraction form
    8,051,982.35/11,118,439.98 = 7,467,803.21/x
  3. Step 3: Cross multiply
    8,051,982.35x = 11,118,439.98 × 7,467,803.21
  4. Step 4: Simplify right side
    8,051,982.35x = 83,030,321,805,767.45
  5. Step 5: Solve for x
    x = 83,030,321,805,767.45/8,051,982.35
  6. Step 6: Final answer
    x = 10,311,786.36

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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.