Home / 7,328,575.80-10,992,863.70-5,439,007.80

Finding the Fourth Proportional to 7,328,575.80, 10,992,863.70 and 5,439,007.80

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Solution

The fourth proportional to 7,328,575.80, 10,992,863.70 and 5,439,007.80 is: 8,158,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,575.80 : 10,992,863.70 = 5,439,007.80 : x
  2. Step 2: Convert to fraction form
    7,328,575.80/10,992,863.70 = 5,439,007.80/x
  3. Step 3: Cross multiply
    7,328,575.80x = 10,992,863.70 × 5,439,007.80
  4. Step 4: Simplify right side
    7,328,575.80x = 59,790,271,408,636.85
  5. Step 5: Solve for x
    x = 59,790,271,408,636.85/7,328,575.80
  6. Step 6: Final answer
    x = 8,158,511.70

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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.