Finding the Fourth Proportional to 11,208,288.82, 15,466,960.68 and 6,246,466.12
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Solution
The fourth proportional to 11,208,288.82, 15,466,960.68 and 6,246,466.12 is: 8,619,856.91
Step by Step Solution
- Step 1: Write the proportion equation
11,208,288.82 : 15,466,960.68 = 6,246,466.12 : x - Step 2: Convert to fraction form
11,208,288.82/15,466,960.68 = 6,246,466.12/x - Step 3: Cross multiply
11,208,288.82x = 15,466,960.68 × 6,246,466.12 - Step 4: Simplify right side
11,208,288.82x = 96,613,845,866,992.16 - Step 5: Solve for x
x = 96,613,845,866,992.16/11,208,288.82 - Step 6: Final answer
x = 8,619,856.91
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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.