Finding the Fourth Proportional to 18,177,560.91, 27,242,783.25 and 7,382,321.13
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Solution
The fourth proportional to 18,177,560.91, 27,242,783.25 and 7,382,321.13 is: 11,063,914.21
Step by Step Solution
- Step 1: Write the proportion equation
18,177,560.91 : 27,242,783.25 = 7,382,321.13 : x - Step 2: Convert to fraction form
18,177,560.91/27,242,783.25 = 7,382,321.13/x - Step 3: Cross multiply
18,177,560.91x = 27,242,783.25 × 7,382,321.13 - Step 4: Simplify right side
18,177,560.91x = 201,114,974,426,485.06 - Step 5: Solve for x
x = 201,114,974,426,485.06/18,177,560.91 - Step 6: Final answer
x = 11,063,914.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.