Finding the Fourth Proportional to 9,284,556.48, 12,809,403.36 and 6,067,158.72
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Solution
The fourth proportional to 9,284,556.48, 12,809,403.36 and 6,067,158.72 is: 8,370,532.66
Step by Step Solution
- Step 1: Write the proportion equation
9,284,556.48 : 12,809,403.36 = 6,067,158.72 : x - Step 2: Convert to fraction form
9,284,556.48/12,809,403.36 = 6,067,158.72/x - Step 3: Cross multiply
9,284,556.48x = 12,809,403.36 × 6,067,158.72 - Step 4: Simplify right side
9,284,556.48x = 77,716,683,293,621.30 - Step 5: Solve for x
x = 77,716,683,293,621.30/9,284,556.48 - Step 6: Final answer
x = 8,370,532.66
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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.