Home / 11,273,156.40-16,912,785.48-8,038,780.56

Finding the Fourth Proportional to 11,273,156.40, 16,912,785.48 and 8,038,780.56

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Solution

The fourth proportional to 11,273,156.40, 16,912,785.48 and 8,038,780.56 is: 12,060,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273,156.40 : 16,912,785.48 = 8,038,780.56 : x
  2. Step 2: Convert to fraction form
    11,273,156.40/16,912,785.48 = 8,038,780.56/x
  3. Step 3: Cross multiply
    11,273,156.40x = 16,912,785.48 × 8,038,780.56
  4. Step 4: Simplify right side
    11,273,156.40x = 135,958,171,132,074.27
  5. Step 5: Solve for x
    x = 135,958,171,132,074.27/11,273,156.40
  6. Step 6: Final answer
    x = 12,060,346.39

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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.