Home / 33,254,561.60-49,898,431.20-18,888,660.80

Finding the Fourth Proportional to 33,254,561.60, 49,898,431.20 and 18,888,660.80

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Solution

The fourth proportional to 33,254,561.60, 49,898,431.20 and 18,888,660.80 is: 28,342,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,254,561.60 : 49,898,431.20 = 18,888,660.80 : x
  2. Step 2: Convert to fraction form
    33,254,561.60/49,898,431.20 = 18,888,660.80/x
  3. Step 3: Cross multiply
    33,254,561.60x = 49,898,431.20 × 18,888,660.80
  4. Step 4: Simplify right side
    33,254,561.60x = 942,514,541,388,937
  5. Step 5: Solve for x
    x = 942,514,541,388,937/33,254,561.60
  6. Step 6: Final answer
    x = 28,342,413.67

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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.