Finding the Fourth Proportional to 9,031,745.46, 12,463,353.99 and 5,360,822.22
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Solution
The fourth proportional to 9,031,745.46, 12,463,353.99 and 5,360,822.22 is: 7,397,664.75
Step by Step Solution
- Step 1: Write the proportion equation
9,031,745.46 : 12,463,353.99 = 5,360,822.22 : x - Step 2: Convert to fraction form
9,031,745.46/12,463,353.99 = 5,360,822.22/x - Step 3: Cross multiply
9,031,745.46x = 12,463,353.99 × 5,360,822.22 - Step 4: Simplify right side
9,031,745.46x = 66,813,825,005,317.66 - Step 5: Solve for x
x = 66,813,825,005,317.66/9,031,745.46 - Step 6: Final answer
x = 7,397,664.75
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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.