Finding the Fourth Proportional to 18,498,543.68, 27,735,203.82 and 9,383,064.10
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Solution
The fourth proportional to 18,498,543.68, 27,735,203.82 and 9,383,064.10 is: 14,068,199.08
Step by Step Solution
- Step 1: Write the proportion equation
18,498,543.68 : 27,735,203.82 = 9,383,064.10 : x - Step 2: Convert to fraction form
18,498,543.68/27,735,203.82 = 9,383,064.10/x - Step 3: Cross multiply
18,498,543.68x = 27,735,203.82 × 9,383,064.10 - Step 4: Simplify right side
18,498,543.68x = 260,241,195,235,473.34 - Step 5: Solve for x
x = 260,241,195,235,473.34/18,498,543.68 - Step 6: Final answer
x = 14,068,199.08
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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.