Home / 30,945,437.46-42,702,202.11-17,893,542.90

Finding the Fourth Proportional to 30,945,437.46, 42,702,202.11 and 17,893,542.90

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Solution

The fourth proportional to 30,945,437.46, 42,702,202.11 and 17,893,542.90 is: 24,691,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,437.46 : 42,702,202.11 = 17,893,542.90 : x
  2. Step 2: Convert to fraction form
    30,945,437.46/42,702,202.11 = 17,893,542.90/x
  3. Step 3: Cross multiply
    30,945,437.46x = 42,702,202.11 × 17,893,542.90
  4. Step 4: Simplify right side
    30,945,437.46x = 764,093,685,379,755.50
  5. Step 5: Solve for x
    x = 764,093,685,379,755.50/30,945,437.46
  6. Step 6: Final answer
    x = 24,691,642.71

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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.