Finding the Fourth Proportional to 13,177,072.36, 18,184,545.56 and 7,592,232.29
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Solution
The fourth proportional to 13,177,072.36, 18,184,545.56 and 7,592,232.29 is: 10,477,387.56
Step by Step Solution
- Step 1: Write the proportion equation
13,177,072.36 : 18,184,545.56 = 7,592,232.29 : x - Step 2: Convert to fraction form
13,177,072.36/18,184,545.56 = 7,592,232.29/x - Step 3: Cross multiply
13,177,072.36x = 18,184,545.56 × 7,592,232.29 - Step 4: Simplify right side
13,177,072.36x = 138,061,293,958,810.03 - Step 5: Solve for x
x = 138,061,293,958,810.03/13,177,072.36 - Step 6: Final answer
x = 10,477,387.56
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1.5x scale
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.