Home / 30,498,328.80-45,747,201.60-7,469,364.60

Finding the Fourth Proportional to 30,498,328.80, 45,747,201.60 and 7,469,364.60

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Solution

The fourth proportional to 30,498,328.80, 45,747,201.60 and 7,469,364.60 is: 11,203,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,498,328.80 : 45,747,201.60 = 7,469,364.60 : x
  2. Step 2: Convert to fraction form
    30,498,328.80/45,747,201.60 = 7,469,364.60/x
  3. Step 3: Cross multiply
    30,498,328.80x = 45,747,201.60 × 7,469,364.60
  4. Step 4: Simplify right side
    30,498,328.80x = 341,702,528,180,103.38
  5. Step 5: Solve for x
    x = 341,702,528,180,103.38/30,498,328.80
  6. Step 6: Final answer
    x = 11,203,975.48

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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.