Finding the Fourth Proportional to 7,893,809.80, 11,840,714.70 and 7,893,809.80
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Solution
The fourth proportional to 7,893,809.80, 11,840,714.70 and 7,893,809.80 is: 11,840,714.70
Step by Step Solution
- Step 1: Write the proportion equation
7,893,809.80 : 11,840,714.70 = 7,893,809.80 : x - Step 2: Convert to fraction form
7,893,809.80/11,840,714.70 = 7,893,809.80/x - Step 3: Cross multiply
7,893,809.80x = 11,840,714.70 × 7,893,809.80 - Step 4: Simplify right side
7,893,809.80x = 93,468,349,737,864.05 - Step 5: Solve for x
x = 93,468,349,737,864.05/7,893,809.80 - Step 6: Final answer
x = 11,840,714.70
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1.5x scale
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.