Finding the Fourth Proportional to 8,045,991.40, 12,068,987.10 and 2,366,789.80
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Solution
The fourth proportional to 8,045,991.40, 12,068,987.10 and 2,366,789.80 is: 3,550,184.70
Step by Step Solution
- Step 1: Write the proportion equation
8,045,991.40 : 12,068,987.10 = 2,366,789.80 : x - Step 2: Convert to fraction form
8,045,991.40/12,068,987.10 = 2,366,789.80/x - Step 3: Cross multiply
8,045,991.40x = 12,068,987.10 × 2,366,789.80 - Step 4: Simplify right side
8,045,991.40x = 28,564,755,564,611.58 - Step 5: Solve for x
x = 28,564,755,564,611.58/8,045,991.40 - Step 6: Final answer
x = 3,550,184.70
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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.