Home / 30,266,121.60-41,768,254.80-16,515,840.24

Finding the Fourth Proportional to 30,266,121.60, 41,768,254.80 and 16,515,840.24

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Solution

The fourth proportional to 30,266,121.60, 41,768,254.80 and 16,515,840.24 is: 22,792,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266,121.60 : 41,768,254.80 = 16,515,840.24 : x
  2. Step 2: Convert to fraction form
    30,266,121.60/41,768,254.80 = 16,515,840.24/x
  3. Step 3: Cross multiply
    30,266,121.60x = 41,768,254.80 × 16,515,840.24
  4. Step 4: Simplify right side
    30,266,121.60x = 689,837,823,380,413.12
  5. Step 5: Solve for x
    x = 689,837,823,380,413.12/30,266,121.60
  6. Step 6: Final answer
    x = 22,792,409.03

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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.