Finding the Fourth Proportional to 17,943,449.80, 26,915,174.70 and 8,377,511.80
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Solution
The fourth proportional to 17,943,449.80, 26,915,174.70 and 8,377,511.80 is: 12,566,267.70
Step by Step Solution
- Step 1: Write the proportion equation
17,943,449.80 : 26,915,174.70 = 8,377,511.80 : x - Step 2: Convert to fraction form
17,943,449.80/26,915,174.70 = 8,377,511.80/x - Step 3: Cross multiply
17,943,449.80x = 26,915,174.70 × 8,377,511.80 - Step 4: Simplify right side
17,943,449.80x = 225,482,193,648,311.44 - Step 5: Solve for x
x = 225,482,193,648,311.44/17,943,449.80 - Step 6: Final answer
x = 12,566,267.70
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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.