Finding the Fourth Proportional to 7,461,701.70, 11,192,552.55 and 2,671,685.70
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Solution
The fourth proportional to 7,461,701.70, 11,192,552.55 and 2,671,685.70 is: 4,007,528.55
Step by Step Solution
- Step 1: Write the proportion equation
7,461,701.70 : 11,192,552.55 = 2,671,685.70 : x - Step 2: Convert to fraction form
7,461,701.70/11,192,552.55 = 2,671,685.70/x - Step 3: Cross multiply
7,461,701.70x = 11,192,552.55 × 2,671,685.70 - Step 4: Simplify right side
7,461,701.70x = 29,902,982,594,333.54 - Step 5: Solve for x
x = 29,902,982,594,333.54/7,461,701.70 - Step 6: Final answer
x = 4,007,528.55
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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.