Finding the Fourth Proportional to 10,302,213.96, 14,217,108.66 and 6,436,976.58
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Solution
The fourth proportional to 10,302,213.96, 14,217,108.66 and 6,436,976.58 is: 8,883,061.04
Step by Step Solution
- Step 1: Write the proportion equation
10,302,213.96 : 14,217,108.66 = 6,436,976.58 : x - Step 2: Convert to fraction form
10,302,213.96/14,217,108.66 = 6,436,976.58/x - Step 3: Cross multiply
10,302,213.96x = 14,217,108.66 × 6,436,976.58 - Step 4: Simplify right side
10,302,213.96x = 91,515,195,479,735.19 - Step 5: Solve for x
x = 91,515,195,479,735.19/10,302,213.96 - Step 6: Final answer
x = 8,883,061.04
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1.5x scale
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.