Finding the Fourth Proportional to 39,057,723.60, 53,902,852.68 and 21,659,526.24
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Solution
The fourth proportional to 39,057,723.60, 53,902,852.68 and 21,659,526.24 is: 29,891,917.51
Step by Step Solution
- Step 1: Write the proportion equation
39,057,723.60 : 53,902,852.68 = 21,659,526.24 : x - Step 2: Convert to fraction form
39,057,723.60/53,902,852.68 = 21,659,526.24/x - Step 3: Cross multiply
39,057,723.60x = 53,902,852.68 × 21,659,526.24 - Step 4: Simplify right side
39,057,723.60x = 1,167,510,252,033,314.25 - Step 5: Solve for x
x = 1,167,510,252,033,314.25/39,057,723.60 - Step 6: Final answer
x = 29,891,917.51
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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.