Finding the Fourth Proportional to 11,837,699.56, 16,336,081.38 and 6,681,278.44
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Solution
The fourth proportional to 11,837,699.56, 16,336,081.38 and 6,681,278.44 is: 9,220,195.85
Step by Step Solution
- Step 1: Write the proportion equation
11,837,699.56 : 16,336,081.38 = 6,681,278.44 : x - Step 2: Convert to fraction form
11,837,699.56/16,336,081.38 = 6,681,278.44/x - Step 3: Cross multiply
11,837,699.56x = 16,336,081.38 × 6,681,278.44 - Step 4: Simplify right side
11,837,699.56x = 109,145,908,318,279.45 - Step 5: Solve for x
x = 109,145,908,318,279.45/11,837,699.56 - Step 6: Final answer
x = 9,220,195.85
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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.