Finding the Fourth Proportional to 10,229,231.36, 14,116,412.76 and 5,582,974.16
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Solution
The fourth proportional to 10,229,231.36, 14,116,412.76 and 5,582,974.16 is: 7,704,544.45
Step by Step Solution
- Step 1: Write the proportion equation
10,229,231.36 : 14,116,412.76 = 5,582,974.16 : x - Step 2: Convert to fraction form
10,229,231.36/14,116,412.76 = 5,582,974.16/x - Step 3: Cross multiply
10,229,231.36x = 14,116,412.76 × 5,582,974.16 - Step 4: Simplify right side
10,229,231.36x = 78,811,567,670,974.28 - Step 5: Solve for x
x = 78,811,567,670,974.28/10,229,231.36 - Step 6: Final answer
x = 7,704,544.45
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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.