Home / 8,162,922.40-12,245,679.60-2,772,080.80

Finding the Fourth Proportional to 8,162,922.40, 12,245,679.60 and 2,772,080.80

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Solution

The fourth proportional to 8,162,922.40, 12,245,679.60 and 2,772,080.80 is: 4,158,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162,922.40 : 12,245,679.60 = 2,772,080.80 : x
  2. Step 2: Convert to fraction form
    8,162,922.40/12,245,679.60 = 2,772,080.80/x
  3. Step 3: Cross multiply
    8,162,922.40x = 12,245,679.60 × 2,772,080.80
  4. Step 4: Simplify right side
    8,162,922.40x = 33,946,013,302,111.68
  5. Step 5: Solve for x
    x = 33,946,013,302,111.68/8,162,922.40
  6. Step 6: Final answer
    x = 4,158,561.31

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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.