Finding the Fourth Proportional to 29,979,093.60, 44,897,781.60 and 20,342,296.80
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Solution
The fourth proportional to 29,979,093.60, 44,897,781.60 and 20,342,296.80 is: 30,465,364.00
Step by Step Solution
- Step 1: Write the proportion equation
29,979,093.60 : 44,897,781.60 = 20,342,296.80 : x - Step 2: Convert to fraction form
29,979,093.60/44,897,781.60 = 20,342,296.80/x - Step 3: Cross multiply
29,979,093.60x = 44,897,781.60 × 20,342,296.80 - Step 4: Simplify right side
29,979,093.60x = 913,323,998,968,779 - Step 5: Solve for x
x = 913,323,998,968,779/29,979,093.60 - Step 6: Final answer
x = 30,465,364.00
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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.