Finding the Fourth Proportional to 7,807,922.58, 11,658,736.67 and 6,889,450.74
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Solution
The fourth proportional to 7,807,922.58, 11,658,736.67 and 6,889,450.74 is: 10,287,280.79
Step by Step Solution
- Step 1: Write the proportion equation
7,807,922.58 : 11,658,736.67 = 6,889,450.74 : x - Step 2: Convert to fraction form
7,807,922.58/11,658,736.67 = 6,889,450.74/x - Step 3: Cross multiply
7,807,922.58x = 11,658,736.67 × 6,889,450.74 - Step 4: Simplify right side
7,807,922.58x = 80,322,291,944,149.38 - Step 5: Solve for x
x = 80,322,291,944,149.38/7,807,922.58 - Step 6: Final answer
x = 10,287,280.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.