Finding the Fourth Proportional to 16,943,245.98, 23,381,860.05 and 9,208,288.68
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Solution
The fourth proportional to 16,943,245.98, 23,381,860.05 and 9,208,288.68 is: 12,707,536.53
Step by Step Solution
- Step 1: Write the proportion equation
16,943,245.98 : 23,381,860.05 = 9,208,288.68 : x - Step 2: Convert to fraction form
16,943,245.98/23,381,860.05 = 9,208,288.68/x - Step 3: Cross multiply
16,943,245.98x = 23,381,860.05 × 9,208,288.68 - Step 4: Simplify right side
16,943,245.98x = 215,306,917,215,759.22 - Step 5: Solve for x
x = 215,306,917,215,759.22/16,943,245.98 - Step 6: Final answer
x = 12,707,536.53
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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.