Finding the Fourth Proportional to 11,950,818.24, 16,492,353.12 and 6,518,504.64
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Solution
The fourth proportional to 11,950,818.24, 16,492,353.12 and 6,518,504.64 is: 8,995,658.55
Step by Step Solution
- Step 1: Write the proportion equation
11,950,818.24 : 16,492,353.12 = 6,518,504.64 : x - Step 2: Convert to fraction form
11,950,818.24/16,492,353.12 = 6,518,504.64/x - Step 3: Cross multiply
11,950,818.24x = 16,492,353.12 × 6,518,504.64 - Step 4: Simplify right side
11,950,818.24x = 107,505,480,337,238.47 - Step 5: Solve for x
x = 107,505,480,337,238.47/11,950,818.24 - Step 6: Final answer
x = 8,995,658.55
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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.