Finding the Fourth Proportional to 29,979,115.60, 44,897,814.60 and 20,342,318.80
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Solution
The fourth proportional to 29,979,115.60, 44,897,814.60 and 20,342,318.80 is: 30,465,396.99
Step by Step Solution
- Step 1: Write the proportion equation
29,979,115.60 : 44,897,814.60 = 20,342,318.80 : x - Step 2: Convert to fraction form
29,979,115.60/44,897,814.60 = 20,342,318.80/x - Step 3: Cross multiply
29,979,115.60x = 44,897,814.60 × 20,342,318.80 - Step 4: Simplify right side
29,979,115.60x = 913,325,658,016,494.50 - Step 5: Solve for x
x = 913,325,658,016,494.50/29,979,115.60 - Step 6: Final answer
x = 30,465,396.99
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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.