Finding the Fourth Proportional to 11,205,916.96, 15,464,740.04 and 6,853,636.28
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Solution
The fourth proportional to 11,205,916.96, 15,464,740.04 and 6,853,636.28 is: 9,458,369.52
Step by Step Solution
- Step 1: Write the proportion equation
11,205,916.96 : 15,464,740.04 = 6,853,636.28 : x - Step 2: Convert to fraction form
11,205,916.96/15,464,740.04 = 6,853,636.28/x - Step 3: Cross multiply
11,205,916.96x = 15,464,740.04 × 6,853,636.28 - Step 4: Simplify right side
11,205,916.96x = 105,989,703,398,912.66 - Step 5: Solve for x
x = 105,989,703,398,912.66/11,205,916.96 - Step 6: Final answer
x = 9,458,369.52
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1.5x scale
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.