Finding the Fourth Proportional to 7,271,790.36, 10,035,101.73 and 4,008,534.18
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Solution
The fourth proportional to 7,271,790.36, 10,035,101.73 and 4,008,534.18 is: 5,531,794.28
Step by Step Solution
- Step 1: Write the proportion equation
7,271,790.36 : 10,035,101.73 = 4,008,534.18 : x - Step 2: Convert to fraction form
7,271,790.36/10,035,101.73 = 4,008,534.18/x - Step 3: Cross multiply
7,271,790.36x = 10,035,101.73 × 4,008,534.18 - Step 4: Simplify right side
7,271,790.36x = 40,226,048,284,482.13 - Step 5: Solve for x
x = 40,226,048,284,482.13/7,271,790.36 - Step 6: Final answer
x = 5,531,794.28
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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.