Finding the Fourth Proportional to 9,414,324.18, 12,991,959.22 and 5,284,653.09
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Solution
The fourth proportional to 9,414,324.18, 12,991,959.22 and 5,284,653.09 is: 7,292,928.95
Step by Step Solution
- Step 1: Write the proportion equation
9,414,324.18 : 12,991,959.22 = 5,284,653.09 : x - Step 2: Convert to fraction form
9,414,324.18/12,991,959.22 = 5,284,653.09/x - Step 3: Cross multiply
9,414,324.18x = 12,991,959.22 × 5,284,653.09 - Step 4: Simplify right side
9,414,324.18x = 68,657,997,385,378.83 - Step 5: Solve for x
x = 68,657,997,385,378.83/9,414,324.18 - Step 6: Final answer
x = 7,292,928.95
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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.