Home / 28,964,608.40-43,452,744.60-8,494,288.40

Finding the Fourth Proportional to 28,964,608.40, 43,452,744.60 and 8,494,288.40

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Solution

The fourth proportional to 28,964,608.40, 43,452,744.60 and 8,494,288.40 is: 12,743,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,608.40 : 43,452,744.60 = 8,494,288.40 : x
  2. Step 2: Convert to fraction form
    28,964,608.40/43,452,744.60 = 8,494,288.40/x
  3. Step 3: Cross multiply
    28,964,608.40x = 43,452,744.60 × 8,494,288.40
  4. Step 4: Simplify right side
    28,964,608.40x = 369,100,144,403,942.69
  5. Step 5: Solve for x
    x = 369,100,144,403,942.69/28,964,608.40
  6. Step 6: Final answer
    x = 12,743,142.92

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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.