Finding the Fourth Proportional to 11,868,895.08, 17,805,556.62 and 5,392,424.52
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Solution
The fourth proportional to 11,868,895.08, 17,805,556.62 and 5,392,424.52 is: 8,089,642.67
Step by Step Solution
- Step 1: Write the proportion equation
11,868,895.08 : 17,805,556.62 = 5,392,424.52 : x - Step 2: Convert to fraction form
11,868,895.08/17,805,556.62 = 5,392,424.52/x - Step 3: Cross multiply
11,868,895.08x = 17,805,556.62 × 5,392,424.52 - Step 4: Simplify right side
11,868,895.08x = 96,015,120,109,936.31 - Step 5: Solve for x
x = 96,015,120,109,936.31/11,868,895.08 - Step 6: Final answer
x = 8,089,642.67
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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.