Home / 19,099,914.48-28,640,138.36-9,385,173

Finding the Fourth Proportional to 19,099,914.48, 28,640,138.36 and 9,385,173

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Solution

The fourth proportional to 19,099,914.48, 28,640,138.36 and 9,385,173 is: 14,072,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099,914.48 : 28,640,138.36 = 9,385,173 : x
  2. Step 2: Convert to fraction form
    19,099,914.48/28,640,138.36 = 9,385,173/x
  3. Step 3: Cross multiply
    19,099,914.48x = 28,640,138.36 × 9,385,173
  4. Step 4: Simplify right side
    19,099,914.48x = 268,792,653,205,610.41
  5. Step 5: Solve for x
    x = 268,792,653,205,610.41/19,099,914.48
  6. Step 6: Final answer
    x = 14,072,976.79

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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.