Finding the Fourth Proportional to 39,127,047.05, 53,992,827.09 and 21,723,387.59
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Solution
The fourth proportional to 39,127,047.05, 53,992,827.09 and 21,723,387.59 is: 29,976,888.07
Step by Step Solution
- Step 1: Write the proportion equation
39,127,047.05 : 53,992,827.09 = 21,723,387.59 : x - Step 2: Convert to fraction form
39,127,047.05/53,992,827.09 = 21,723,387.59/x - Step 3: Cross multiply
39,127,047.05x = 53,992,827.09 × 21,723,387.59 - Step 4: Simplify right side
39,127,047.05x = 1,172,907,109,685,957.75 - Step 5: Solve for x
x = 1,172,907,109,685,957.75/39,127,047.05 - Step 6: Final answer
x = 29,976,888.07
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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.