Home / 30,378,255.50-41,922,120.27-16,439,611.19

Finding the Fourth Proportional to 30,378,255.50, 41,922,120.27 and 16,439,611.19

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Solution

The fourth proportional to 30,378,255.50, 41,922,120.27 and 16,439,611.19 is: 22,686,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,255.50 : 41,922,120.27 = 16,439,611.19 : x
  2. Step 2: Convert to fraction form
    30,378,255.50/41,922,120.27 = 16,439,611.19/x
  3. Step 3: Cross multiply
    30,378,255.50x = 41,922,120.27 × 16,439,611.19
  4. Step 4: Simplify right side
    30,378,255.50x = 689,183,357,289,607.25
  5. Step 5: Solve for x
    x = 689,183,357,289,607.25/30,378,255.50
  6. Step 6: Final answer
    x = 22,686,732.53

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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.