Home / 10,222,251.60-15,320,352.60-5,432,235.60

Finding the Fourth Proportional to 10,222,251.60, 15,320,352.60 and 5,432,235.60

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Solution

The fourth proportional to 10,222,251.60, 15,320,352.60 and 5,432,235.60 is: 8,141,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222,251.60 : 15,320,352.60 = 5,432,235.60 : x
  2. Step 2: Convert to fraction form
    10,222,251.60/15,320,352.60 = 5,432,235.60/x
  3. Step 3: Cross multiply
    10,222,251.60x = 15,320,352.60 × 5,432,235.60
  4. Step 4: Simplify right side
    10,222,251.60x = 83,223,764,798,272.55
  5. Step 5: Solve for x
    x = 83,223,764,798,272.55/10,222,251.60
  6. Step 6: Final answer
    x = 8,141,431.85

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1.5x scale

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.