Finding the Fourth Proportional to 7,243,974.99, 9,994,505.36 and 4,342,307.13
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Solution
The fourth proportional to 7,243,974.99, 9,994,505.36 and 4,342,307.13 is: 5,991,076.99
Step by Step Solution
- Step 1: Write the proportion equation
7,243,974.99 : 9,994,505.36 = 4,342,307.13 : x - Step 2: Convert to fraction form
7,243,974.99/9,994,505.36 = 4,342,307.13/x - Step 3: Cross multiply
7,243,974.99x = 9,994,505.36 × 4,342,307.13 - Step 4: Simplify right side
7,243,974.99x = 43,399,211,863,839.68 - Step 5: Solve for x
x = 43,399,211,863,839.68/7,243,974.99 - Step 6: Final answer
x = 5,991,076.99
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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.