Home / 8,138,662.80-12,209,938.20-2,458,942.80

Finding the Fourth Proportional to 8,138,662.80, 12,209,938.20 and 2,458,942.80

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Solution

The fourth proportional to 8,138,662.80, 12,209,938.20 and 2,458,942.80 is: 3,689,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,662.80 : 12,209,938.20 = 2,458,942.80 : x
  2. Step 2: Convert to fraction form
    8,138,662.80/12,209,938.20 = 2,458,942.80/x
  3. Step 3: Cross multiply
    8,138,662.80x = 12,209,938.20 × 2,458,942.80
  4. Step 4: Simplify right side
    8,138,662.80x = 30,023,539,625,334.96
  5. Step 5: Solve for x
    x = 30,023,539,625,334.96/8,138,662.80
  6. Step 6: Final answer
    x = 3,689,001.54

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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.