Finding the Fourth Proportional to 8,092,638.12, 11,167,710.30 and 4,421,475.83
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Solution
The fourth proportional to 8,092,638.12, 11,167,710.30 and 4,421,475.83 is: 6,101,565.45
Step by Step Solution
- Step 1: Write the proportion equation
8,092,638.12 : 11,167,710.30 = 4,421,475.83 : x - Step 2: Convert to fraction form
8,092,638.12/11,167,710.30 = 4,421,475.83/x - Step 3: Cross multiply
8,092,638.12x = 11,167,710.30 × 4,421,475.83 - Step 4: Simplify right side
8,092,638.12x = 49,377,761,195,811.32 - Step 5: Solve for x
x = 49,377,761,195,811.32/8,092,638.12 - Step 6: Final answer
x = 6,101,565.45
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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.