Finding the Fourth Proportional to 11,233,125.20, 16,826,068.20 and 9,343,557.20
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Solution
The fourth proportional to 11,233,125.20, 16,826,068.20 and 9,343,557.20 is: 13,995,689.35
Step by Step Solution
- Step 1: Write the proportion equation
11,233,125.20 : 16,826,068.20 = 9,343,557.20 : x - Step 2: Convert to fraction form
11,233,125.20/16,826,068.20 = 9,343,557.20/x - Step 3: Cross multiply
11,233,125.20x = 16,826,068.20 × 9,343,557.20 - Step 4: Simplify right side
11,233,125.20x = 157,215,330,677,801.03 - Step 5: Solve for x
x = 157,215,330,677,801.03/11,233,125.20 - Step 6: Final answer
x = 13,995,689.35
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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.