Home / 8,237,370.40-12,356,055.60-6,809,696.80

Finding the Fourth Proportional to 8,237,370.40, 12,356,055.60 and 6,809,696.80

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Solution

The fourth proportional to 8,237,370.40, 12,356,055.60 and 6,809,696.80 is: 10,214,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237,370.40 : 12,356,055.60 = 6,809,696.80 : x
  2. Step 2: Convert to fraction form
    8,237,370.40/12,356,055.60 = 6,809,696.80/x
  3. Step 3: Cross multiply
    8,237,370.40x = 12,356,055.60 × 6,809,696.80
  4. Step 4: Simplify right side
    8,237,370.40x = 84,140,992,279,942.08
  5. Step 5: Solve for x
    x = 84,140,992,279,942.08/8,237,370.40
  6. Step 6: Final answer
    x = 10,214,545.20

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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.