Finding the Fourth Proportional to 8,414,010.42, 11,612,257.05 and 4,882,585.02
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Solution
The fourth proportional to 8,414,010.42, 11,612,257.05 and 4,882,585.02 is: 6,738,502.75
Step by Step Solution
- Step 1: Write the proportion equation
8,414,010.42 : 11,612,257.05 = 4,882,585.02 : x - Step 2: Convert to fraction form
8,414,010.42/11,612,257.05 = 4,882,585.02/x - Step 3: Cross multiply
8,414,010.42x = 11,612,257.05 × 4,882,585.02 - Step 4: Simplify right side
8,414,010.42x = 56,697,832,320,719.39 - Step 5: Solve for x
x = 56,697,832,320,719.39/8,414,010.42 - Step 6: Final answer
x = 6,738,502.75
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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.