Finding the Fourth Proportional to 6,963,436.40, 9,609,577.05 and 4,351,457.19
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Solution
The fourth proportional to 6,963,436.40, 9,609,577.05 and 4,351,457.19 is: 6,005,032.68
Step by Step Solution
- Step 1: Write the proportion equation
6,963,436.40 : 9,609,577.05 = 4,351,457.19 : x - Step 2: Convert to fraction form
6,963,436.40/9,609,577.05 = 4,351,457.19/x - Step 3: Cross multiply
6,963,436.40x = 9,609,577.05 × 4,351,457.19 - Step 4: Simplify right side
6,963,436.40x = 41,815,663,162,719.95 - Step 5: Solve for x
x = 41,815,663,162,719.95/6,963,436.40 - Step 6: Final answer
x = 6,005,032.68
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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.