Finding the Fourth Proportional to 5,148,482.43, 7,677,236.21 and 5,102,271.96
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Solution
The fourth proportional to 5,148,482.43, 7,677,236.21 and 5,102,271.96 is: 7,608,328.77
Step by Step Solution
- Step 1: Write the proportion equation
5,148,482.43 : 7,677,236.21 = 5,102,271.96 : x - Step 2: Convert to fraction form
5,148,482.43/7,677,236.21 = 5,102,271.96/x - Step 3: Cross multiply
5,148,482.43x = 7,677,236.21 × 5,102,271.96 - Step 4: Simplify right side
5,148,482.43x = 39,171,347,019,068.31 - Step 5: Solve for x
x = 39,171,347,019,068.31/5,148,482.43 - Step 6: Final answer
x = 7,608,328.77
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.