Finding the Fourth Proportional to 13,511,205.18, 18,646,794.27 and 7,710,859.98
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Solution
The fourth proportional to 13,511,205.18, 18,646,794.27 and 7,710,859.98 is: 10,641,746.44
Step by Step Solution
- Step 1: Write the proportion equation
13,511,205.18 : 18,646,794.27 = 7,710,859.98 : x - Step 2: Convert to fraction form
13,511,205.18/18,646,794.27 = 7,710,859.98/x - Step 3: Cross multiply
13,511,205.18x = 18,646,794.27 × 7,710,859.98 - Step 4: Simplify right side
13,511,205.18x = 143,782,819,691,836.31 - Step 5: Solve for x
x = 143,782,819,691,836.31/13,511,205.18 - Step 6: Final answer
x = 10,641,746.44
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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.