Home / 12,969,808.26-17,898,405.77-7,089,450.35

Finding the Fourth Proportional to 12,969,808.26, 17,898,405.77 and 7,089,450.35

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Solution

The fourth proportional to 12,969,808.26, 17,898,405.77 and 7,089,450.35 is: 9,783,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,808.26 : 17,898,405.77 = 7,089,450.35 : x
  2. Step 2: Convert to fraction form
    12,969,808.26/17,898,405.77 = 7,089,450.35/x
  3. Step 3: Cross multiply
    12,969,808.26x = 17,898,405.77 × 7,089,450.35
  4. Step 4: Simplify right side
    12,969,808.26x = 126,889,858,925,629.23
  5. Step 5: Solve for x
    x = 126,889,858,925,629.23/12,969,808.26
  6. Step 6: Final answer
    x = 9,783,479.94

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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.