Finding the Fourth Proportional to 33,435,991.63, 46,146,711.99 and 20,390,817.88
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Solution
The fourth proportional to 33,435,991.63, 46,146,711.99 and 20,390,817.88 is: 28,142,404.46
Step by Step Solution
- Step 1: Write the proportion equation
33,435,991.63 : 46,146,711.99 = 20,390,817.88 : x - Step 2: Convert to fraction form
33,435,991.63/46,146,711.99 = 20,390,817.88/x - Step 3: Cross multiply
33,435,991.63x = 46,146,711.99 × 20,390,817.88 - Step 4: Simplify right side
33,435,991.63x = 940,969,199,948,902.38 - Step 5: Solve for x
x = 940,969,199,948,902.38/33,435,991.63 - Step 6: Final answer
x = 28,142,404.46
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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.