Finding the Fourth Proportional to 8,791,660.81, 13,186,294.09 and 2,314,193.68
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Solution
The fourth proportional to 8,791,660.81, 13,186,294.09 and 2,314,193.68 is: 3,470,975.41
Step by Step Solution
- Step 1: Write the proportion equation
8,791,660.81 : 13,186,294.09 = 2,314,193.68 : x - Step 2: Convert to fraction form
8,791,660.81/13,186,294.09 = 2,314,193.68/x - Step 3: Cross multiply
8,791,660.81x = 13,186,294.09 × 2,314,193.68 - Step 4: Simplify right side
8,791,660.81x = 30,515,638,472,879.61 - Step 5: Solve for x
x = 30,515,638,472,879.61/8,791,660.81 - Step 6: Final answer
x = 3,470,975.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.