Finding the Fourth Proportional to 7,081,269.60, 10,621,888.20 and 3,035,133.84
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Solution
The fourth proportional to 7,081,269.60, 10,621,888.20 and 3,035,133.84 is: 4,552,693.82
Step by Step Solution
- Step 1: Write the proportion equation
7,081,269.60 : 10,621,888.20 = 3,035,133.84 : x - Step 2: Convert to fraction form
7,081,269.60/10,621,888.20 = 3,035,133.84/x - Step 3: Cross multiply
7,081,269.60x = 10,621,888.20 × 3,035,133.84 - Step 4: Simplify right side
7,081,269.60x = 32,238,852,320,516.68 - Step 5: Solve for x
x = 32,238,852,320,516.68/7,081,269.60 - Step 6: Final answer
x = 4,552,693.82
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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.