Finding the Fourth Proportional to 16,029,444.32, 22,120,576.52 and 8,687,455.64
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Solution
The fourth proportional to 16,029,444.32, 22,120,576.52 and 8,687,455.64 is: 11,988,658.09
Step by Step Solution
- Step 1: Write the proportion equation
16,029,444.32 : 22,120,576.52 = 8,687,455.64 : x - Step 2: Convert to fraction form
16,029,444.32/22,120,576.52 = 8,687,455.64/x - Step 3: Cross multiply
16,029,444.32x = 22,120,576.52 × 8,687,455.64 - Step 4: Simplify right side
16,029,444.32x = 192,171,527,248,725.59 - Step 5: Solve for x
x = 192,171,527,248,725.59/16,029,444.32 - Step 6: Final answer
x = 11,988,658.09
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1.5x scale
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.