Finding the Fourth Proportional to 6,949,416.82, 9,590,549.16 and 4,008,140.08
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Solution
The fourth proportional to 6,949,416.82, 9,590,549.16 and 4,008,140.08 is: 5,531,437.45
Step by Step Solution
- Step 1: Write the proportion equation
6,949,416.82 : 9,590,549.16 = 4,008,140.08 : x - Step 2: Convert to fraction form
6,949,416.82/9,590,549.16 = 4,008,140.08/x - Step 3: Cross multiply
6,949,416.82x = 9,590,549.16 × 4,008,140.08 - Step 4: Simplify right side
6,949,416.82x = 38,440,264,477,406.34 - Step 5: Solve for x
x = 38,440,264,477,406.34/6,949,416.82 - Step 6: Final answer
x = 5,531,437.45
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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.