Home / 8,091,942.40-12,137,913.60-4,312,806.40

Finding the Fourth Proportional to 8,091,942.40, 12,137,913.60 and 4,312,806.40

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Solution

The fourth proportional to 8,091,942.40, 12,137,913.60 and 4,312,806.40 is: 6,469,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,942.40 : 12,137,913.60 = 4,312,806.40 : x
  2. Step 2: Convert to fraction form
    8,091,942.40/12,137,913.60 = 4,312,806.40/x
  3. Step 3: Cross multiply
    8,091,942.40x = 12,137,913.60 × 4,312,806.40
  4. Step 4: Simplify right side
    8,091,942.40x = 52,348,471,456,727.04
  5. Step 5: Solve for x
    x = 52,348,471,456,727.04/8,091,942.40
  6. Step 6: Final answer
    x = 6,469,209.60

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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.