Finding the Fourth Proportional to 20,165,060.61, 27,827,656.23 and 11,463,233.64
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Solution
The fourth proportional to 20,165,060.61, 27,827,656.23 and 11,463,233.64 is: 15,819,189.99
Step by Step Solution
- Step 1: Write the proportion equation
20,165,060.61 : 27,827,656.23 = 11,463,233.64 : x - Step 2: Convert to fraction form
20,165,060.61/27,827,656.23 = 11,463,233.64/x - Step 3: Cross multiply
20,165,060.61x = 27,827,656.23 × 11,463,233.64 - Step 4: Simplify right side
20,165,060.61x = 318,994,925,018,091.62 - Step 5: Solve for x
x = 318,994,925,018,091.62/20,165,060.61 - Step 6: Final answer
x = 15,819,189.99
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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.