Finding the Fourth Proportional to 7,295,516.30, 10,067,852.08 and 3,987,814.98
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Solution
The fourth proportional to 7,295,516.30, 10,067,852.08 and 3,987,814.98 is: 5,503,206.30
Step by Step Solution
- Step 1: Write the proportion equation
7,295,516.30 : 10,067,852.08 = 3,987,814.98 : x - Step 2: Convert to fraction form
7,295,516.30/10,067,852.08 = 3,987,814.98/x - Step 3: Cross multiply
7,295,516.30x = 10,067,852.08 × 3,987,814.98 - Step 4: Simplify right side
7,295,516.30x = 40,148,731,287,622.15 - Step 5: Solve for x
x = 40,148,731,287,622.15/7,295,516.30 - Step 6: Final answer
x = 5,503,206.30
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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.