Finding the Fourth Proportional to 6,905,744.80, 10,361,602.32 and 3,707,135.68
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Solution
The fourth proportional to 6,905,744.80, 10,361,602.32 and 3,707,135.68 is: 5,562,305.99
Step by Step Solution
- Step 1: Write the proportion equation
6,905,744.80 : 10,361,602.32 = 3,707,135.68 : x - Step 2: Convert to fraction form
6,905,744.80/10,361,602.32 = 3,707,135.68/x - Step 3: Cross multiply
6,905,744.80x = 10,361,602.32 × 3,707,135.68 - Step 4: Simplify right side
6,905,744.80x = 38,411,865,662,442.78 - Step 5: Solve for x
x = 38,411,865,662,442.78/6,905,744.80 - Step 6: Final answer
x = 5,562,305.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.