Finding the Fourth Proportional to 11,989,744.21, 16,545,835.29 and 6,483,105.91
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Solution
The fourth proportional to 11,989,744.21, 16,545,835.29 and 6,483,105.91 is: 8,946,679.82
Step by Step Solution
- Step 1: Write the proportion equation
11,989,744.21 : 16,545,835.29 = 6,483,105.91 : x - Step 2: Convert to fraction form
11,989,744.21/16,545,835.29 = 6,483,105.91/x - Step 3: Cross multiply
11,989,744.21x = 16,545,835.29 × 6,483,105.91 - Step 4: Simplify right side
11,989,744.21x = 107,268,402,554,485.56 - Step 5: Solve for x
x = 107,268,402,554,485.56/11,989,744.21 - Step 6: Final answer
x = 8,946,679.82
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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.