Finding the Fourth Proportional to 8,765,458.68, 12,097,534.50 and 5,044,213.20
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Solution
The fourth proportional to 8,765,458.68, 12,097,534.50 and 5,044,213.20 is: 6,961,705.65
Step by Step Solution
- Step 1: Write the proportion equation
8,765,458.68 : 12,097,534.50 = 5,044,213.20 : x - Step 2: Convert to fraction form
8,765,458.68/12,097,534.50 = 5,044,213.20/x - Step 3: Cross multiply
8,765,458.68x = 12,097,534.50 × 5,044,213.20 - Step 4: Simplify right side
8,765,458.68x = 61,022,543,212,355.40 - Step 5: Solve for x
x = 61,022,543,212,355.40/8,765,458.68 - Step 6: Final answer
x = 6,961,705.65
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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.