Finding the Fourth Proportional to 11,238,258.49, 15,508,796.21 and 6,081,620.18
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Solution
The fourth proportional to 11,238,258.49, 15,508,796.21 and 6,081,620.18 is: 8,392,635.56
Step by Step Solution
- Step 1: Write the proportion equation
11,238,258.49 : 15,508,796.21 = 6,081,620.18 : x - Step 2: Convert to fraction form
11,238,258.49/15,508,796.21 = 6,081,620.18/x - Step 3: Cross multiply
11,238,258.49x = 15,508,796.21 × 6,081,620.18 - Step 4: Simplify right side
11,238,258.49x = 94,318,607,890,291.44 - Step 5: Solve for x
x = 94,318,607,890,291.44/11,238,258.49 - Step 6: Final answer
x = 8,392,635.56
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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.