Finding the Fourth Proportional to 11,551,054.61, 15,940,643.35 and 6,323,974.55
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Solution
The fourth proportional to 11,551,054.61, 15,940,643.35 and 6,323,974.55 is: 8,727,187.80
Step by Step Solution
- Step 1: Write the proportion equation
11,551,054.61 : 15,940,643.35 = 6,323,974.55 : x - Step 2: Convert to fraction form
11,551,054.61/15,940,643.35 = 6,323,974.55/x - Step 3: Cross multiply
11,551,054.61x = 15,940,643.35 × 6,323,974.55 - Step 4: Simplify right side
11,551,054.61x = 100,808,222,856,026.73 - Step 5: Solve for x
x = 100,808,222,856,026.73/11,551,054.61 - Step 6: Final answer
x = 8,727,187.80
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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.