Finding the Fourth Proportional to 9,198,612.05, 13,800,988.99 and 4,080,335.86
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Solution
The fourth proportional to 9,198,612.05, 13,800,988.99 and 4,080,335.86 is: 6,121,865.99
Step by Step Solution
- Step 1: Write the proportion equation
9,198,612.05 : 13,800,988.99 = 4,080,335.86 : x - Step 2: Convert to fraction form
9,198,612.05/13,800,988.99 = 4,080,335.86/x - Step 3: Cross multiply
9,198,612.05x = 13,800,988.99 × 4,080,335.86 - Step 4: Simplify right side
9,198,612.05x = 56,312,670,279,362.18 - Step 5: Solve for x
x = 56,312,670,279,362.18/9,198,612.05 - Step 6: Final answer
x = 6,121,865.99
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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.