Home / 8,091,948.40-12,137,922.60-4,312,812.40

Finding the Fourth Proportional to 8,091,948.40, 12,137,922.60 and 4,312,812.40

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Solution

The fourth proportional to 8,091,948.40, 12,137,922.60 and 4,312,812.40 is: 6,469,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091,948.40 : 12,137,922.60 = 4,312,812.40 : x
  2. Step 2: Convert to fraction form
    8,091,948.40/12,137,922.60 = 4,312,812.40/x
  3. Step 3: Cross multiply
    8,091,948.40x = 12,137,922.60 × 4,312,812.40
  4. Step 4: Simplify right side
    8,091,948.40x = 52,348,583,099,520.24
  5. Step 5: Solve for x
    x = 52,348,583,099,520.24/8,091,948.40
  6. Step 6: Final answer
    x = 6,469,218.60

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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.