Home / 26,961,405.20-40,442,107.80-7,792,787.60

Finding the Fourth Proportional to 26,961,405.20, 40,442,107.80 and 7,792,787.60

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Solution

The fourth proportional to 26,961,405.20, 40,442,107.80 and 7,792,787.60 is: 11,689,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,961,405.20 : 40,442,107.80 = 7,792,787.60 : x
  2. Step 2: Convert to fraction form
    26,961,405.20/40,442,107.80 = 7,792,787.60/x
  3. Step 3: Cross multiply
    26,961,405.20x = 40,442,107.80 × 7,792,787.60
  4. Step 4: Simplify right side
    26,961,405.20x = 315,156,756,181,703.25
  5. Step 5: Solve for x
    x = 315,156,756,181,703.25/26,961,405.20
  6. Step 6: Final answer
    x = 11,689,181.40

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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.