Finding the Fourth Proportional to 7,311,317.13, 10,089,933.12 and 4,048,132.02
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Solution
The fourth proportional to 7,311,317.13, 10,089,933.12 and 4,048,132.02 is: 5,586,596.86
Step by Step Solution
- Step 1: Write the proportion equation
7,311,317.13 : 10,089,933.12 = 4,048,132.02 : x - Step 2: Convert to fraction form
7,311,317.13/10,089,933.12 = 4,048,132.02/x - Step 3: Cross multiply
7,311,317.13x = 10,089,933.12 × 4,048,132.02 - Step 4: Simplify right side
7,311,317.13x = 40,845,381,342,730.50 - Step 5: Solve for x
x = 40,845,381,342,730.50/7,311,317.13 - Step 6: Final answer
x = 5,586,596.86
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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.