Finding the Fourth Proportional to 33,207,940.90, 49,811,911.35 and 21,861,201.70
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Solution
The fourth proportional to 33,207,940.90, 49,811,911.35 and 21,861,201.70 is: 32,791,802.55
Step by Step Solution
- Step 1: Write the proportion equation
33,207,940.90 : 49,811,911.35 = 21,861,201.70 : x - Step 2: Convert to fraction form
33,207,940.90/49,811,911.35 = 21,861,201.70/x - Step 3: Cross multiply
33,207,940.90x = 49,811,911.35 × 21,861,201.70 - Step 4: Simplify right side
33,207,940.90x = 1,088,948,241,084,869.25 - Step 5: Solve for x
x = 1,088,948,241,084,869.25/33,207,940.90 - Step 6: Final answer
x = 32,791,802.55
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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.