Home / 18,809,037.64-28,213,906.50-5,346,215.56

Finding the Fourth Proportional to 18,809,037.64, 28,213,906.50 and 5,346,215.56

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Solution

The fourth proportional to 18,809,037.64, 28,213,906.50 and 5,346,215.56 is: 8,019,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,037.64 : 28,213,906.50 = 5,346,215.56 : x
  2. Step 2: Convert to fraction form
    18,809,037.64/28,213,906.50 = 5,346,215.56/x
  3. Step 3: Cross multiply
    18,809,037.64x = 28,213,906.50 × 5,346,215.56
  4. Step 4: Simplify right side
    18,809,037.64x = 150,837,625,938,685.12
  5. Step 5: Solve for x
    x = 150,837,625,938,685.12/18,809,037.64
  6. Step 6: Final answer
    x = 8,019,422.83

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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.