Finding the Fourth Proportional to 13,246,168.70, 18,279,877.57 and 8,019,107.48
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Solution
The fourth proportional to 13,246,168.70, 18,279,877.57 and 8,019,107.48 is: 11,066,468.07
Step by Step Solution
- Step 1: Write the proportion equation
13,246,168.70 : 18,279,877.57 = 8,019,107.48 : x - Step 2: Convert to fraction form
13,246,168.70/18,279,877.57 = 8,019,107.48/x - Step 3: Cross multiply
13,246,168.70x = 18,279,877.57 × 8,019,107.48 - Step 4: Simplify right side
13,246,168.70x = 146,588,302,955,071.22 - Step 5: Solve for x
x = 146,588,302,955,071.22/13,246,168.70 - Step 6: Final answer
x = 11,066,468.07
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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.