Finding the Fourth Proportional to 15,294,268.24, 21,106,647.11 and 8,324,609.18
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Solution
The fourth proportional to 15,294,268.24, 21,106,647.11 and 8,324,609.18 is: 11,488,263.81
Step by Step Solution
- Step 1: Write the proportion equation
15,294,268.24 : 21,106,647.11 = 8,324,609.18 : x - Step 2: Convert to fraction form
15,294,268.24/21,106,647.11 = 8,324,609.18/x - Step 3: Cross multiply
15,294,268.24x = 21,106,647.11 × 8,324,609.18 - Step 4: Simplify right side
15,294,268.24x = 175,704,588,364,504.62 - Step 5: Solve for x
x = 175,704,588,364,504.62/15,294,268.24 - Step 6: Final answer
x = 11,488,263.81
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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.