Home / 8,375,321.58-11,555,000.46-5,476,409.34

Finding the Fourth Proportional to 8,375,321.58, 11,555,000.46 and 5,476,409.34

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Solution

The fourth proportional to 8,375,321.58, 11,555,000.46 and 5,476,409.34 is: 7,555,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,321.58 : 11,555,000.46 = 5,476,409.34 : x
  2. Step 2: Convert to fraction form
    8,375,321.58/11,555,000.46 = 5,476,409.34/x
  3. Step 3: Cross multiply
    8,375,321.58x = 11,555,000.46 × 5,476,409.34
  4. Step 4: Simplify right side
    8,375,321.58x = 63,279,912,442,848.30
  5. Step 5: Solve for x
    x = 63,279,912,442,848.30/8,375,321.58
  6. Step 6: Final answer
    x = 7,555,520.33

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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.