Home / 18,510,880.12-25,545,817.55-10,250,942.40

Finding the Fourth Proportional to 18,510,880.12, 25,545,817.55 and 10,250,942.40

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Solution

The fourth proportional to 18,510,880.12, 25,545,817.55 and 10,250,942.40 is: 14,146,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510,880.12 : 25,545,817.55 = 10,250,942.40 : x
  2. Step 2: Convert to fraction form
    18,510,880.12/25,545,817.55 = 10,250,942.40/x
  3. Step 3: Cross multiply
    18,510,880.12x = 25,545,817.55 × 10,250,942.40
  4. Step 4: Simplify right side
    18,510,880.12x = 261,868,704,214,704.44
  5. Step 5: Solve for x
    x = 261,868,704,214,704.44/18,510,880.12
  6. Step 6: Final answer
    x = 14,146,745.19

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1.5x scale

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.