Finding the Fourth Proportional to 7,832,595.84, 11,748,647.28 and 2,152,770.96
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Solution
The fourth proportional to 7,832,595.84, 11,748,647.28 and 2,152,770.96 is: 3,229,088.70
Step by Step Solution
- Step 1: Write the proportion equation
7,832,595.84 : 11,748,647.28 = 2,152,770.96 : x - Step 2: Convert to fraction form
7,832,595.84/11,748,647.28 = 2,152,770.96/x - Step 3: Cross multiply
7,832,595.84x = 11,748,647.28 × 2,152,770.96 - Step 4: Simplify right side
7,832,595.84x = 25,292,146,683,666.99 - Step 5: Solve for x
x = 25,292,146,683,666.99/7,832,595.84 - Step 6: Final answer
x = 3,229,088.70
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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.