Finding the Fourth Proportional to 29,987,138.40, 44,980,708.08 and 7,268,035.68
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Solution
The fourth proportional to 29,987,138.40, 44,980,708.08 and 7,268,035.68 is: 10,902,053.64
Step by Step Solution
- Step 1: Write the proportion equation
29,987,138.40 : 44,980,708.08 = 7,268,035.68 : x - Step 2: Convert to fraction form
29,987,138.40/44,980,708.08 = 7,268,035.68/x - Step 3: Cross multiply
29,987,138.40x = 44,980,708.08 × 7,268,035.68 - Step 4: Simplify right side
29,987,138.40x = 326,921,391,237,104.25 - Step 5: Solve for x
x = 326,921,391,237,104.25/29,987,138.40 - Step 6: Final answer
x = 10,902,053.64
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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.