Home / 9,770,990.75-13,485,584.33-5,421,478.31

Finding the Fourth Proportional to 9,770,990.75, 13,485,584.33 and 5,421,478.31

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Solution

The fourth proportional to 9,770,990.75, 13,485,584.33 and 5,421,478.31 is: 7,482,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770,990.75 : 13,485,584.33 = 5,421,478.31 : x
  2. Step 2: Convert to fraction form
    9,770,990.75/13,485,584.33 = 5,421,478.31/x
  3. Step 3: Cross multiply
    9,770,990.75x = 13,485,584.33 × 5,421,478.31
  4. Step 4: Simplify right side
    9,770,990.75x = 73,111,802,942,770.88
  5. Step 5: Solve for x
    x = 73,111,802,942,770.88/9,770,990.75
  6. Step 6: Final answer
    x = 7,482,537.32

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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.