Home / 18,235,429.20-27,353,143.80-17,395,621.20

Finding the Fourth Proportional to 18,235,429.20, 27,353,143.80 and 17,395,621.20

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Solution

The fourth proportional to 18,235,429.20, 27,353,143.80 and 17,395,621.20 is: 26,093,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235,429.20 : 27,353,143.80 = 17,395,621.20 : x
  2. Step 2: Convert to fraction form
    18,235,429.20/27,353,143.80 = 17,395,621.20/x
  3. Step 3: Cross multiply
    18,235,429.20x = 27,353,143.80 × 17,395,621.20
  4. Step 4: Simplify right side
    18,235,429.20x = 475,824,928,173,928.56
  5. Step 5: Solve for x
    x = 475,824,928,173,928.56/18,235,429.20
  6. Step 6: Final answer
    x = 26,093,431.80

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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.