Finding the Fourth Proportional to 6,959,370.15, 9,603,678.53 and 3,862,028.77
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Solution
The fourth proportional to 6,959,370.15, 9,603,678.53 and 3,862,028.77 is: 5,329,459.70
Step by Step Solution
- Step 1: Write the proportion equation
6,959,370.15 : 9,603,678.53 = 3,862,028.77 : x - Step 2: Convert to fraction form
6,959,370.15/9,603,678.53 = 3,862,028.77/x - Step 3: Cross multiply
6,959,370.15x = 9,603,678.53 × 3,862,028.77 - Step 4: Simplify right side
6,959,370.15x = 37,089,682,766,337.19 - Step 5: Solve for x
x = 37,089,682,766,337.19/6,959,370.15 - Step 6: Final answer
x = 5,329,459.70
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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.