Finding the Fourth Proportional to 10,951,673.18, 15,113,277.96 and 6,303,759.80
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Solution
The fourth proportional to 10,951,673.18, 15,113,277.96 and 6,303,759.80 is: 8,699,170.66
Step by Step Solution
- Step 1: Write the proportion equation
10,951,673.18 : 15,113,277.96 = 6,303,759.80 : x - Step 2: Convert to fraction form
10,951,673.18/15,113,277.96 = 6,303,759.80/x - Step 3: Cross multiply
10,951,673.18x = 15,113,277.96 × 6,303,759.80 - Step 4: Simplify right side
10,951,673.18x = 95,270,474,050,474.02 - Step 5: Solve for x
x = 95,270,474,050,474.02/10,951,673.18 - Step 6: Final answer
x = 8,699,170.66
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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.