Finding the Fourth Proportional to 15,294,217.58, 21,106,577.12 and 8,324,558.24
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Solution
The fourth proportional to 15,294,217.58, 21,106,577.12 and 8,324,558.24 is: 11,488,193.47
Step by Step Solution
- Step 1: Write the proportion equation
15,294,217.58 : 21,106,577.12 = 8,324,558.24 : x - Step 2: Convert to fraction form
15,294,217.58/21,106,577.12 = 8,324,558.24/x - Step 3: Cross multiply
15,294,217.58x = 21,106,577.12 × 8,324,558.24 - Step 4: Simplify right side
15,294,217.58x = 175,702,930,397,769.97 - Step 5: Solve for x
x = 175,702,930,397,769.97/15,294,217.58 - Step 6: Final answer
x = 11,488,193.47
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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.