Finding the Fourth Proportional to 7,081,274.60, 10,621,895.70 and 3,035,138.84
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Solution
The fourth proportional to 7,081,274.60, 10,621,895.70 and 3,035,138.84 is: 4,552,701.32
Step by Step Solution
- Step 1: Write the proportion equation
7,081,274.60 : 10,621,895.70 = 3,035,138.84 : x - Step 2: Convert to fraction form
7,081,274.60/10,621,895.70 = 3,035,138.84/x - Step 3: Cross multiply
7,081,274.60x = 10,621,895.70 × 3,035,138.84 - Step 4: Simplify right side
7,081,274.60x = 32,238,928,193,498.98 - Step 5: Solve for x
x = 32,238,928,193,498.98/7,081,274.60 - Step 6: Final answer
x = 4,552,701.32
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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.