Finding the Fourth Proportional to 10,352,310.96, 14,285,539.21 and 5,705,840.31
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Solution
The fourth proportional to 10,352,310.96, 14,285,539.21 and 5,705,840.31 is: 7,873,701.42
Step by Step Solution
- Step 1: Write the proportion equation
10,352,310.96 : 14,285,539.21 = 5,705,840.31 : x - Step 2: Convert to fraction form
10,352,310.96/14,285,539.21 = 5,705,840.31/x - Step 3: Cross multiply
10,352,310.96x = 14,285,539.21 × 5,705,840.31 - Step 4: Simplify right side
10,352,310.96x = 81,511,005,474,503.55 - Step 5: Solve for x
x = 81,511,005,474,503.55/10,352,310.96 - Step 6: Final answer
x = 7,873,701.42
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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.