Finding the Fourth Proportional to 18,078,304.80, 27,117,677.93 and 5,299,067.91
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Solution
The fourth proportional to 18,078,304.80, 27,117,677.93 and 5,299,067.91 is: 7,948,666.56
Step by Step Solution
- Step 1: Write the proportion equation
18,078,304.80 : 27,117,677.93 = 5,299,067.91 : x - Step 2: Convert to fraction form
18,078,304.80/27,117,677.93 = 5,299,067.91/x - Step 3: Cross multiply
18,078,304.80x = 27,117,677.93 × 5,299,067.91 - Step 4: Simplify right side
18,078,304.80x = 143,698,416,912,578.22 - Step 5: Solve for x
x = 143,698,416,912,578.22/18,078,304.80 - Step 6: Final answer
x = 7,948,666.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.