Finding the Fourth Proportional to 7,832,596.84, 11,748,648.78 and 2,152,771.96
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Solution
The fourth proportional to 7,832,596.84, 11,748,648.78 and 2,152,771.96 is: 3,229,090.20
Step by Step Solution
- Step 1: Write the proportion equation
7,832,596.84 : 11,748,648.78 = 2,152,771.96 : x - Step 2: Convert to fraction form
7,832,596.84/11,748,648.78 = 2,152,771.96/x - Step 3: Cross multiply
7,832,596.84x = 11,748,648.78 × 2,152,771.96 - Step 4: Simplify right side
7,832,596.84x = 25,292,161,661,472.21 - Step 5: Solve for x
x = 25,292,161,661,472.21/7,832,596.84 - Step 6: Final answer
x = 3,229,090.20
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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.