Finding the Fourth Proportional to 13,277,889.75, 18,323,058.14 and 7,620,914.05
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Solution
The fourth proportional to 13,277,889.75, 18,323,058.14 and 7,620,914.05 is: 10,516,614.75
Step by Step Solution
- Step 1: Write the proportion equation
13,277,889.75 : 18,323,058.14 = 7,620,914.05 : x - Step 2: Convert to fraction form
13,277,889.75/18,323,058.14 = 7,620,914.05/x - Step 3: Cross multiply
13,277,889.75x = 18,323,058.14 × 7,620,914.05 - Step 4: Simplify right side
13,277,889.75x = 139,638,451,218,092.88 - Step 5: Solve for x
x = 139,638,451,218,092.88/13,277,889.75 - Step 6: Final answer
x = 10,516,614.75
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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.