Finding the Fourth Proportional to 16,821,960.64, 23,214,326.29 and 9,087,003.08
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Solution
The fourth proportional to 16,821,960.64, 23,214,326.29 and 9,087,003.08 is: 12,540,075.38
Step by Step Solution
- Step 1: Write the proportion equation
16,821,960.64 : 23,214,326.29 = 9,087,003.08 : x - Step 2: Convert to fraction form
16,821,960.64/23,214,326.29 = 9,087,003.08/x - Step 3: Cross multiply
16,821,960.64x = 23,214,326.29 × 9,087,003.08 - Step 4: Simplify right side
16,821,960.64x = 210,948,654,497,354.97 - Step 5: Solve for x
x = 210,948,654,497,354.97/16,821,960.64 - Step 6: Final answer
x = 12,540,075.38
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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.