Home / 28,115,160.75-38,787,475.50-18,322,037.19

Finding the Fourth Proportional to 28,115,160.75, 38,787,475.50 and 18,322,037.19

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Solution

The fourth proportional to 28,115,160.75, 38,787,475.50 and 18,322,037.19 is: 25,276,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115,160.75 : 38,787,475.50 = 18,322,037.19 : x
  2. Step 2: Convert to fraction form
    28,115,160.75/38,787,475.50 = 18,322,037.19/x
  3. Step 3: Cross multiply
    28,115,160.75x = 38,787,475.50 × 18,322,037.19
  4. Step 4: Simplify right side
    28,115,160.75x = 710,665,568,617,213.88
  5. Step 5: Solve for x
    x = 710,665,568,617,213.88/28,115,160.75
  6. Step 6: Final answer
    x = 25,276,952.00

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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.