Finding the Fourth Proportional to 16,285,596.38, 22,461,669.64 and 11,062,631.68
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Solution
The fourth proportional to 16,285,596.38, 22,461,669.64 and 11,062,631.68 is: 15,257,972.28
Step by Step Solution
- Step 1: Write the proportion equation
16,285,596.38 : 22,461,669.64 = 11,062,631.68 : x - Step 2: Convert to fraction form
16,285,596.38/22,461,669.64 = 11,062,631.68/x - Step 3: Cross multiply
16,285,596.38x = 22,461,669.64 × 11,062,631.68 - Step 4: Simplify right side
16,285,596.38x = 248,485,178,145,158.19 - Step 5: Solve for x
x = 248,485,178,145,158.19/16,285,596.38 - Step 6: Final answer
x = 15,257,972.28
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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.