Home / 7,883,999.70-11,825,999.55-1,900,367.70

Finding the Fourth Proportional to 7,883,999.70, 11,825,999.55 and 1,900,367.70

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Solution

The fourth proportional to 7,883,999.70, 11,825,999.55 and 1,900,367.70 is: 2,850,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,999.70 : 11,825,999.55 = 1,900,367.70 : x
  2. Step 2: Convert to fraction form
    7,883,999.70/11,825,999.55 = 1,900,367.70/x
  3. Step 3: Cross multiply
    7,883,999.70x = 11,825,999.55 × 1,900,367.70
  4. Step 4: Simplify right side
    7,883,999.70x = 22,473,747,565,034.54
  5. Step 5: Solve for x
    x = 22,473,747,565,034.54/7,883,999.70
  6. Step 6: Final answer
    x = 2,850,551.55

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Similar ratio
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1.5x scale

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.