Finding the Fourth Proportional to 11,295,643.24, 15,590,254.98 and 6,711,082.12
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Solution
The fourth proportional to 11,295,643.24, 15,590,254.98 and 6,711,082.12 is: 9,262,640.40
Step by Step Solution
- Step 1: Write the proportion equation
11,295,643.24 : 15,590,254.98 = 6,711,082.12 : x - Step 2: Convert to fraction form
11,295,643.24/15,590,254.98 = 6,711,082.12/x - Step 3: Cross multiply
11,295,643.24x = 15,590,254.98 × 6,711,082.12 - Step 4: Simplify right side
11,295,643.24x = 104,627,481,442,518.97 - Step 5: Solve for x
x = 104,627,481,442,518.97/11,295,643.24 - Step 6: Final answer
x = 9,262,640.40
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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.