Finding the Fourth Proportional to 21,667,860.41, 29,901,537.18 and 11,744,703.09
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Solution
The fourth proportional to 21,667,860.41, 29,901,537.18 and 11,744,703.09 is: 16,207,630.54
Step by Step Solution
- Step 1: Write the proportion equation
21,667,860.41 : 29,901,537.18 = 11,744,703.09 : x - Step 2: Convert to fraction form
21,667,860.41/29,901,537.18 = 11,744,703.09/x - Step 3: Cross multiply
21,667,860.41x = 29,901,537.18 × 11,744,703.09 - Step 4: Simplify right side
21,667,860.41x = 351,184,676,113,695.88 - Step 5: Solve for x
x = 351,184,676,113,695.88/21,667,860.41 - Step 6: Final answer
x = 16,207,630.54
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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.