Finding the Fourth Proportional to 8,674,138.68, 11,970,381.72 and 4,806,724.44
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Solution
The fourth proportional to 8,674,138.68, 11,970,381.72 and 4,806,724.44 is: 6,633,318.71
Step by Step Solution
- Step 1: Write the proportion equation
8,674,138.68 : 11,970,381.72 = 4,806,724.44 : x - Step 2: Convert to fraction form
8,674,138.68/11,970,381.72 = 4,806,724.44/x - Step 3: Cross multiply
8,674,138.68x = 11,970,381.72 × 4,806,724.44 - Step 4: Simplify right side
8,674,138.68x = 57,538,326,369,653.24 - Step 5: Solve for x
x = 57,538,326,369,653.24/8,674,138.68 - Step 6: Final answer
x = 6,633,318.71
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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.