Home / 21,783,800.88-30,061,396.80-11,994,040.80

Finding the Fourth Proportional to 21,783,800.88, 30,061,396.80 and 11,994,040.80

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Solution

The fourth proportional to 21,783,800.88, 30,061,396.80 and 11,994,040.80 is: 16,551,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,800.88 : 30,061,396.80 = 11,994,040.80 : x
  2. Step 2: Convert to fraction form
    21,783,800.88/30,061,396.80 = 11,994,040.80/x
  3. Step 3: Cross multiply
    21,783,800.88x = 30,061,396.80 × 11,994,040.80
  4. Step 4: Simplify right side
    21,783,800.88x = 360,557,619,724,189.50
  5. Step 5: Solve for x
    x = 360,557,619,724,189.50/21,783,800.88
  6. Step 6: Final answer
    x = 16,551,639.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.