Finding the Fourth Proportional to 18,514,265.24, 25,566,860.28 and 13,859,969.98
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Solution
The fourth proportional to 18,514,265.24, 25,566,860.28 and 13,859,969.98 is: 19,139,615.39
Step by Step Solution
- Step 1: Write the proportion equation
18,514,265.24 : 25,566,860.28 = 13,859,969.98 : x - Step 2: Convert to fraction form
18,514,265.24/25,566,860.28 = 13,859,969.98/x - Step 3: Cross multiply
18,514,265.24x = 25,566,860.28 × 13,859,969.98 - Step 4: Simplify right side
18,514,265.24x = 354,355,915,963,654.44 - Step 5: Solve for x
x = 354,355,915,963,654.44/18,514,265.24 - Step 6: Final answer
x = 19,139,615.39
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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.