Finding the Fourth Proportional to 7,110,415.07, 9,812,302.83 and 3,847,158.17
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Solution
The fourth proportional to 7,110,415.07, 9,812,302.83 and 3,847,158.17 is: 5,309,040.42
Step by Step Solution
- Step 1: Write the proportion equation
7,110,415.07 : 9,812,302.83 = 3,847,158.17 : x - Step 2: Convert to fraction form
7,110,415.07/9,812,302.83 = 3,847,158.17/x - Step 3: Cross multiply
7,110,415.07x = 9,812,302.83 × 3,847,158.17 - Step 4: Simplify right side
7,110,415.07x = 37,749,480,998,948.62 - Step 5: Solve for x
x = 37,749,480,998,948.62/7,110,415.07 - Step 6: Final answer
x = 5,309,040.42
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1.5x scale
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.