Home / 10,305,905.40-15,458,858.10-5,770,942.20

Finding the Fourth Proportional to 10,305,905.40, 15,458,858.10 and 5,770,942.20

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Solution

The fourth proportional to 10,305,905.40, 15,458,858.10 and 5,770,942.20 is: 8,656,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305,905.40 : 15,458,858.10 = 5,770,942.20 : x
  2. Step 2: Convert to fraction form
    10,305,905.40/15,458,858.10 = 5,770,942.20/x
  3. Step 3: Cross multiply
    10,305,905.40x = 15,458,858.10 × 5,770,942.20
  4. Step 4: Simplify right side
    10,305,905.40x = 89,212,176,573,101.83
  5. Step 5: Solve for x
    x = 89,212,176,573,101.83/10,305,905.40
  6. Step 6: Final answer
    x = 8,656,413.30

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1.5x scale

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.