Finding the Fourth Proportional to 33,106,911.12, 45,661,654.76 and 21,508,211.68
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Solution
The fourth proportional to 33,106,911.12, 45,661,654.76 and 21,508,211.68 is: 29,664,517.26
Step by Step Solution
- Step 1: Write the proportion equation
33,106,911.12 : 45,661,654.76 = 21,508,211.68 : x - Step 2: Convert to fraction form
33,106,911.12/45,661,654.76 = 21,508,211.68/x - Step 3: Cross multiply
33,106,911.12x = 45,661,654.76 × 21,508,211.68 - Step 4: Simplify right side
33,106,911.12x = 982,100,536,237,159.50 - Step 5: Solve for x
x = 982,100,536,237,159.50/33,106,911.12 - Step 6: Final answer
x = 29,664,517.26
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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.