Finding the Fourth Proportional to 7,236,246.18, 10,920,025.50 and 6,995,326.26
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Solution
The fourth proportional to 7,236,246.18, 10,920,025.50 and 6,995,326.26 is: 10,556,459.69
Step by Step Solution
- Step 1: Write the proportion equation
7,236,246.18 : 10,920,025.50 = 6,995,326.26 : x - Step 2: Convert to fraction form
7,236,246.18/10,920,025.50 = 6,995,326.26/x - Step 3: Cross multiply
7,236,246.18x = 10,920,025.50 × 6,995,326.26 - Step 4: Simplify right side
7,236,246.18x = 76,389,141,140,019.62 - Step 5: Solve for x
x = 76,389,141,140,019.62/7,236,246.18 - Step 6: Final answer
x = 10,556,459.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.