Finding the Fourth Proportional to 9,786,093.75, 14,680,946.26 and 3,221,173.55
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Solution
The fourth proportional to 9,786,093.75, 14,680,946.26 and 3,221,173.55 is: 4,832,354.66
Step by Step Solution
- Step 1: Write the proportion equation
9,786,093.75 : 14,680,946.26 = 3,221,173.55 : x - Step 2: Convert to fraction form
9,786,093.75/14,680,946.26 = 3,221,173.55/x - Step 3: Cross multiply
9,786,093.75x = 14,680,946.26 × 3,221,173.55 - Step 4: Simplify right side
9,786,093.75x = 47,289,875,781,683.42 - Step 5: Solve for x
x = 47,289,875,781,683.42/9,786,093.75 - Step 6: Final answer
x = 4,832,354.66
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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.