Home / 11,456,140.68-15,809,354.34-8,529,045.72

Finding the Fourth Proportional to 11,456,140.68, 15,809,354.34 and 8,529,045.72

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Solution

The fourth proportional to 11,456,140.68, 15,809,354.34 and 8,529,045.72 is: 11,769,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456,140.68 : 15,809,354.34 = 8,529,045.72 : x
  2. Step 2: Convert to fraction form
    11,456,140.68/15,809,354.34 = 8,529,045.72/x
  3. Step 3: Cross multiply
    11,456,140.68x = 15,809,354.34 × 8,529,045.72
  4. Step 4: Simplify right side
    11,456,140.68x = 134,838,705,969,540.44
  5. Step 5: Solve for x
    x = 134,838,705,969,540.44/11,456,140.68
  6. Step 6: Final answer
    x = 11,769,993.90

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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.