Home / 7,889,619.40-11,833,554.30-6,467,194.60

Finding the Fourth Proportional to 7,889,619.40, 11,833,554.30 and 6,467,194.60

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Solution

The fourth proportional to 7,889,619.40, 11,833,554.30 and 6,467,194.60 is: 9,700,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,619.40 : 11,833,554.30 = 6,467,194.60 : x
  2. Step 2: Convert to fraction form
    7,889,619.40/11,833,554.30 = 6,467,194.60/x
  3. Step 3: Cross multiply
    7,889,619.40x = 11,833,554.30 × 6,467,194.60
  4. Step 4: Simplify right side
    7,889,619.40x = 76,529,898,467,766.78
  5. Step 5: Solve for x
    x = 76,529,898,467,766.78/7,889,619.40
  6. Step 6: Final answer
    x = 9,700,074.82

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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.