Finding the Fourth Proportional to 11,442,485.54, 15,790,914.79 and 6,215,492.06
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Solution
The fourth proportional to 11,442,485.54, 15,790,914.79 and 6,215,492.06 is: 8,577,533.71
Step by Step Solution
- Step 1: Write the proportion equation
11,442,485.54 : 15,790,914.79 = 6,215,492.06 : x - Step 2: Convert to fraction form
11,442,485.54/15,790,914.79 = 6,215,492.06/x - Step 3: Cross multiply
11,442,485.54x = 15,790,914.79 × 6,215,492.06 - Step 4: Simplify right side
11,442,485.54x = 98,148,305,521,320.12 - Step 5: Solve for x
x = 98,148,305,521,320.12/11,442,485.54 - Step 6: Final answer
x = 8,577,533.71
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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.