Finding the Fourth Proportional to 7,157,322.14, 9,883,063.98 and 6,638,051.79
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Solution
The fourth proportional to 7,157,322.14, 9,883,063.98 and 6,638,051.79 is: 9,166,038.54
Step by Step Solution
- Step 1: Write the proportion equation
7,157,322.14 : 9,883,063.98 = 6,638,051.79 : x - Step 2: Convert to fraction form
7,157,322.14/9,883,063.98 = 6,638,051.79/x - Step 3: Cross multiply
7,157,322.14x = 9,883,063.98 × 6,638,051.79 - Step 4: Simplify right side
7,157,322.14x = 65,604,290,543,123.53 - Step 5: Solve for x
x = 65,604,290,543,123.53/7,157,322.14 - Step 6: Final answer
x = 9,166,038.54
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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.