Home / 8,090,828.40-12,140,908.20-3,045,759.60

Finding the Fourth Proportional to 8,090,828.40, 12,140,908.20 and 3,045,759.60

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Solution

The fourth proportional to 8,090,828.40, 12,140,908.20 and 3,045,759.60 is: 4,570,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090,828.40 : 12,140,908.20 = 3,045,759.60 : x
  2. Step 2: Convert to fraction form
    8,090,828.40/12,140,908.20 = 3,045,759.60/x
  3. Step 3: Cross multiply
    8,090,828.40x = 12,140,908.20 × 3,045,759.60
  4. Step 4: Simplify right side
    8,090,828.40x = 36,978,287,702,868.72
  5. Step 5: Solve for x
    x = 36,978,287,702,868.72/8,090,828.40
  6. Step 6: Final answer
    x = 4,570,395.75

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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.