Home / 28,003,951.54-38,619,770.74-19,196,202.70

Finding the Fourth Proportional to 28,003,951.54, 38,619,770.74 and 19,196,202.70

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Solution

The fourth proportional to 28,003,951.54, 38,619,770.74 and 19,196,202.70 is: 26,473,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,951.54 : 38,619,770.74 = 19,196,202.70 : x
  2. Step 2: Convert to fraction form
    28,003,951.54/38,619,770.74 = 19,196,202.70/x
  3. Step 3: Cross multiply
    28,003,951.54x = 38,619,770.74 × 19,196,202.70
  4. Step 4: Simplify right side
    28,003,951.54x = 741,352,947,352,569
  5. Step 5: Solve for x
    x = 741,352,947,352,569/28,003,951.54
  6. Step 6: Final answer
    x = 26,473,154.92

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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.