Finding the Fourth Proportional to 10,752,848.70, 16,129,273.05 and 4,769,216.70
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Solution
The fourth proportional to 10,752,848.70, 16,129,273.05 and 4,769,216.70 is: 7,153,825.05
Step by Step Solution
- Step 1: Write the proportion equation
10,752,848.70 : 16,129,273.05 = 4,769,216.70 : x - Step 2: Convert to fraction form
10,752,848.70/16,129,273.05 = 4,769,216.70/x - Step 3: Cross multiply
10,752,848.70x = 16,129,273.05 × 4,769,216.70 - Step 4: Simplify right side
10,752,848.70x = 76,923,998,388,919.94 - Step 5: Solve for x
x = 76,923,998,388,919.94/10,752,848.70 - Step 6: Final answer
x = 7,153,825.05
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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.