Home / 28,263,719.40-42,458,564.70-27,115,981.80

Finding the Fourth Proportional to 28,263,719.40, 42,458,564.70 and 27,115,981.80

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Solution

The fourth proportional to 28,263,719.40, 42,458,564.70 and 27,115,981.80 is: 40,734,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263,719.40 : 42,458,564.70 = 27,115,981.80 : x
  2. Step 2: Convert to fraction form
    28,263,719.40/42,458,564.70 = 27,115,981.80/x
  3. Step 3: Cross multiply
    28,263,719.40x = 42,458,564.70 × 27,115,981.80
  4. Step 4: Simplify right side
    28,263,719.40x = 1,151,305,667,659,322.50
  5. Step 5: Solve for x
    x = 1,151,305,667,659,322.50/28,263,719.40
  6. Step 6: Final answer
    x = 40,734,400.57

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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.