Finding the Fourth Proportional to 33,616,123.99, 46,389,026.36 and 18,730,678.92
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Solution
The fourth proportional to 33,616,123.99, 46,389,026.36 and 18,730,678.92 is: 25,847,654.49
Step by Step Solution
- Step 1: Write the proportion equation
33,616,123.99 : 46,389,026.36 = 18,730,678.92 : x - Step 2: Convert to fraction form
33,616,123.99/46,389,026.36 = 18,730,678.92/x - Step 3: Cross multiply
33,616,123.99x = 46,389,026.36 × 18,730,678.92 - Step 4: Simplify right side
33,616,123.99x = 868,897,958,160,576.38 - Step 5: Solve for x
x = 868,897,958,160,576.38/33,616,123.99 - Step 6: Final answer
x = 25,847,654.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.