Home / 11,270,405.80-16,905,608.70-7,471,570.60

Finding the Fourth Proportional to 11,270,405.80, 16,905,608.70 and 7,471,570.60

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Solution

The fourth proportional to 11,270,405.80, 16,905,608.70 and 7,471,570.60 is: 11,207,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270,405.80 : 16,905,608.70 = 7,471,570.60 : x
  2. Step 2: Convert to fraction form
    11,270,405.80/16,905,608.70 = 7,471,570.60/x
  3. Step 3: Cross multiply
    11,270,405.80x = 16,905,608.70 × 7,471,570.60
  4. Step 4: Simplify right side
    11,270,405.80x = 126,311,448,938,024.20
  5. Step 5: Solve for x
    x = 126,311,448,938,024.20/11,270,405.80
  6. Step 6: Final answer
    x = 11,207,355.90

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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.