Finding the Fourth Proportional to 11,387,857.08, 15,715,242.77 and 6,231,218.63
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Solution
The fourth proportional to 11,387,857.08, 15,715,242.77 and 6,231,218.63 is: 8,599,081.70
Step by Step Solution
- Step 1: Write the proportion equation
11,387,857.08 : 15,715,242.77 = 6,231,218.63 : x - Step 2: Convert to fraction form
11,387,857.08/15,715,242.77 = 6,231,218.63/x - Step 3: Cross multiply
11,387,857.08x = 15,715,242.77 × 6,231,218.63 - Step 4: Simplify right side
11,387,857.08x = 97,925,113,431,186.69 - Step 5: Solve for x
x = 97,925,113,431,186.69/11,387,857.08 - Step 6: Final answer
x = 8,599,081.70
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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.