Home / 8,250,345.15-12,379,946.40-3,458,518.80

Finding the Fourth Proportional to 8,250,345.15, 12,379,946.40 and 3,458,518.80

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Solution

The fourth proportional to 8,250,345.15, 12,379,946.40 and 3,458,518.80 is: 5,189,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250,345.15 : 12,379,946.40 = 3,458,518.80 : x
  2. Step 2: Convert to fraction form
    8,250,345.15/12,379,946.40 = 3,458,518.80/x
  3. Step 3: Cross multiply
    8,250,345.15x = 12,379,946.40 × 3,458,518.80
  4. Step 4: Simplify right side
    8,250,345.15x = 42,816,277,367,392.32
  5. Step 5: Solve for x
    x = 42,816,277,367,392.32/8,250,345.15
  6. Step 6: Final answer
    x = 5,189,634.69

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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.