Home / 7,689,845.40-11,534,768.10-2,010,643.80

Finding the Fourth Proportional to 7,689,845.40, 11,534,768.10 and 2,010,643.80

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Solution

The fourth proportional to 7,689,845.40, 11,534,768.10 and 2,010,643.80 is: 3,015,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,845.40 : 11,534,768.10 = 2,010,643.80 : x
  2. Step 2: Convert to fraction form
    7,689,845.40/11,534,768.10 = 2,010,643.80/x
  3. Step 3: Cross multiply
    7,689,845.40x = 11,534,768.10 × 2,010,643.80
  4. Step 4: Simplify right side
    7,689,845.40x = 23,192,309,964,702.78
  5. Step 5: Solve for x
    x = 23,192,309,964,702.78/7,689,845.40
  6. Step 6: Final answer
    x = 3,015,965.70

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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.