Finding the Fourth Proportional to 10,787,716.48, 16,181,463.82 and 6,235,868.93
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Solution
The fourth proportional to 10,787,716.48, 16,181,463.82 and 6,235,868.93 is: 9,353,739.28
Step by Step Solution
- Step 1: Write the proportion equation
10,787,716.48 : 16,181,463.82 = 6,235,868.93 : x - Step 2: Convert to fraction form
10,787,716.48/16,181,463.82 = 6,235,868.93/x - Step 3: Cross multiply
10,787,716.48x = 16,181,463.82 × 6,235,868.93 - Step 4: Simplify right side
10,787,716.48x = 100,905,487,380,560.12 - Step 5: Solve for x
x = 100,905,487,380,560.12/10,787,716.48 - Step 6: Final answer
x = 9,353,739.28
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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.