Finding the Fourth Proportional to 19,183,568.70, 28,750,858.65 and 7,811,168.70
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Solution
The fourth proportional to 19,183,568.70, 28,750,858.65 and 7,811,168.70 is: 11,706,779.42
Step by Step Solution
- Step 1: Write the proportion equation
19,183,568.70 : 28,750,858.65 = 7,811,168.70 : x - Step 2: Convert to fraction form
19,183,568.70/28,750,858.65 = 7,811,168.70/x - Step 3: Cross multiply
19,183,568.70x = 28,750,858.65 × 7,811,168.70 - Step 4: Simplify right side
19,183,568.70x = 224,577,807,185,004.25 - Step 5: Solve for x
x = 224,577,807,185,004.25/19,183,568.70 - Step 6: Final answer
x = 11,706,779.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.