Finding the Fourth Proportional to 16,528,651.63, 22,809,927.04 and 9,186,794.21
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Solution
The fourth proportional to 16,528,651.63, 22,809,927.04 and 9,186,794.21 is: 12,677,991.55
Step by Step Solution
- Step 1: Write the proportion equation
16,528,651.63 : 22,809,927.04 = 9,186,794.21 : x - Step 2: Convert to fraction form
16,528,651.63/22,809,927.04 = 9,186,794.21/x - Step 3: Cross multiply
16,528,651.63x = 22,809,927.04 × 9,186,794.21 - Step 4: Simplify right side
16,528,651.63x = 209,550,105,695,652.28 - Step 5: Solve for x
x = 209,550,105,695,652.28/16,528,651.63 - Step 6: Final answer
x = 12,677,991.55
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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.