Finding the Fourth Proportional to 39,228,724.05, 54,136,137.14 and 21,589,657.48
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Solution
The fourth proportional to 39,228,724.05, 54,136,137.14 and 21,589,657.48 is: 29,794,001.37
Step by Step Solution
- Step 1: Write the proportion equation
39,228,724.05 : 54,136,137.14 = 21,589,657.48 : x - Step 2: Convert to fraction form
39,228,724.05/54,136,137.14 = 21,589,657.48/x - Step 3: Cross multiply
39,228,724.05x = 54,136,137.14 × 21,589,657.48 - Step 4: Simplify right side
39,228,724.05x = 1,168,780,658,142,906.75 - Step 5: Solve for x
x = 1,168,780,658,142,906.75/39,228,724.05 - Step 6: Final answer
x = 29,794,001.37
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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.