Finding the Fourth Proportional to 7,388,858, 10,198,324.08 and 4,334,056.40
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Solution
The fourth proportional to 7,388,858, 10,198,324.08 and 4,334,056.40 is: 5,981,995.02
Step by Step Solution
- Step 1: Write the proportion equation
7,388,858 : 10,198,324.08 = 4,334,056.40 : x - Step 2: Convert to fraction form
7,388,858/10,198,324.08 = 4,334,056.40/x - Step 3: Cross multiply
7,388,858x = 10,198,324.08 × 4,334,056.40 - Step 4: Simplify right side
7,388,858x = 44,200,111,748,198.12 - Step 5: Solve for x
x = 44,200,111,748,198.12/7,388,858 - Step 6: Final answer
x = 5,981,995.02
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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.