Finding the Fourth Proportional to 16,638,795.53, 24,941,659.57 and 11,579,477.21
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Solution
The fourth proportional to 16,638,795.53, 24,941,659.57 and 11,579,477.21 is: 17,357,709.46
Step by Step Solution
- Step 1: Write the proportion equation
16,638,795.53 : 24,941,659.57 = 11,579,477.21 : x - Step 2: Convert to fraction form
16,638,795.53/24,941,659.57 = 11,579,477.21/x - Step 3: Cross multiply
16,638,795.53x = 24,941,659.57 × 11,579,477.21 - Step 4: Simplify right side
16,638,795.53x = 288,811,378,570,393.44 - Step 5: Solve for x
x = 288,811,378,570,393.44/16,638,795.53 - Step 6: Final answer
x = 17,357,709.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.