Finding the Fourth Proportional to 21,409,171.94, 32,104,703.72 and 8,626,244.42
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Solution
The fourth proportional to 21,409,171.94, 32,104,703.72 and 8,626,244.42 is: 12,935,718.49
Step by Step Solution
- Step 1: Write the proportion equation
21,409,171.94 : 32,104,703.72 = 8,626,244.42 : x - Step 2: Convert to fraction form
21,409,171.94/32,104,703.72 = 8,626,244.42/x - Step 3: Cross multiply
21,409,171.94x = 32,104,703.72 × 8,626,244.42 - Step 4: Simplify right side
21,409,171.94x = 276,943,021,320,403.22 - Step 5: Solve for x
x = 276,943,021,320,403.22/21,409,171.94 - Step 6: Final answer
x = 12,935,718.49
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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.