Home / 28,454,911.44-42,689,157.42-9,285,704.16

Finding the Fourth Proportional to 28,454,911.44, 42,689,157.42 and 9,285,704.16

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Solution

The fourth proportional to 28,454,911.44, 42,689,157.42 and 9,285,704.16 is: 13,930,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454,911.44 : 42,689,157.42 = 9,285,704.16 : x
  2. Step 2: Convert to fraction form
    28,454,911.44/42,689,157.42 = 9,285,704.16/x
  3. Step 3: Cross multiply
    28,454,911.44x = 42,689,157.42 × 9,285,704.16
  4. Step 4: Simplify right side
    28,454,911.44x = 396,398,886,641,788.88
  5. Step 5: Solve for x
    x = 396,398,886,641,788.88/28,454,911.44
  6. Step 6: Final answer
    x = 13,930,772.11

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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.