Finding the Fourth Proportional to 10,542,503.70, 15,795,684.99 and 7,077,754.26
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Solution
The fourth proportional to 10,542,503.70, 15,795,684.99 and 7,077,754.26 is: 10,604,499.64
Step by Step Solution
- Step 1: Write the proportion equation
10,542,503.70 : 15,795,684.99 = 7,077,754.26 : x - Step 2: Convert to fraction form
10,542,503.70/15,795,684.99 = 7,077,754.26/x - Step 3: Cross multiply
10,542,503.70x = 15,795,684.99 × 7,077,754.26 - Step 4: Simplify right side
10,542,503.70x = 111,797,976,727,590.56 - Step 5: Solve for x
x = 111,797,976,727,590.56/10,542,503.70 - Step 6: Final answer
x = 10,604,499.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.