Finding the Fourth Proportional to 16,057,838.15, 22,159,760.41 and 8,715,671.23
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Solution
The fourth proportional to 16,057,838.15, 22,159,760.41 and 8,715,671.23 is: 12,027,595.77
Step by Step Solution
- Step 1: Write the proportion equation
16,057,838.15 : 22,159,760.41 = 8,715,671.23 : x - Step 2: Convert to fraction form
16,057,838.15/22,159,760.41 = 8,715,671.23/x - Step 3: Cross multiply
16,057,838.15x = 22,159,760.41 × 8,715,671.23 - Step 4: Simplify right side
16,057,838.15x = 193,137,186,269,130 - Step 5: Solve for x
x = 193,137,186,269,130/16,057,838.15 - Step 6: Final answer
x = 12,027,595.77
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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.