Finding the Fourth Proportional to 19,683,102.70, 29,524,654.05 and 10,117,164.70
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Solution
The fourth proportional to 19,683,102.70, 29,524,654.05 and 10,117,164.70 is: 15,175,747.05
Step by Step Solution
- Step 1: Write the proportion equation
19,683,102.70 : 29,524,654.05 = 10,117,164.70 : x - Step 2: Convert to fraction form
19,683,102.70/29,524,654.05 = 10,117,164.70/x - Step 3: Cross multiply
19,683,102.70x = 29,524,654.05 × 10,117,164.70 - Step 4: Simplify right side
19,683,102.70x = 298,705,787,734,372 - Step 5: Solve for x
x = 298,705,787,734,372/19,683,102.70 - Step 6: Final answer
x = 15,175,747.05
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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.