Finding the Fourth Proportional to 13,963,514.24, 19,269,523.68 and 7,851,986.48
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Solution
The fourth proportional to 13,963,514.24, 19,269,523.68 and 7,851,986.48 is: 10,835,670.51
Step by Step Solution
- Step 1: Write the proportion equation
13,963,514.24 : 19,269,523.68 = 7,851,986.48 : x - Step 2: Convert to fraction form
13,963,514.24/19,269,523.68 = 7,851,986.48/x - Step 3: Cross multiply
13,963,514.24x = 19,269,523.68 × 7,851,986.48 - Step 4: Simplify right side
13,963,514.24x = 151,304,039,411,399.84 - Step 5: Solve for x
x = 151,304,039,411,399.84/13,963,514.24 - Step 6: Final answer
x = 10,835,670.51
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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.