Home / 28,372,815-42,555,232.44-9,203,740.56

Finding the Fourth Proportional to 28,372,815, 42,555,232.44 and 9,203,740.56

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Solution

The fourth proportional to 28,372,815, 42,555,232.44 and 9,203,740.56 is: 13,804,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372,815 : 42,555,232.44 = 9,203,740.56 : x
  2. Step 2: Convert to fraction form
    28,372,815/42,555,232.44 = 9,203,740.56/x
  3. Step 3: Cross multiply
    28,372,815x = 42,555,232.44 × 9,203,740.56
  4. Step 4: Simplify right side
    28,372,815x = 391,667,318,848,255.75
  5. Step 5: Solve for x
    x = 391,667,318,848,255.75/28,372,815
  6. Step 6: Final answer
    x = 13,804,316.52

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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.