Finding the Fourth Proportional to 11,385,469.87, 15,711,678.98 and 6,228,873.79
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Solution
The fourth proportional to 11,385,469.87, 15,711,678.98 and 6,228,873.79 is: 8,595,698.42
Step by Step Solution
- Step 1: Write the proportion equation
11,385,469.87 : 15,711,678.98 = 6,228,873.79 : x - Step 2: Convert to fraction form
11,385,469.87/15,711,678.98 = 6,228,873.79/x - Step 3: Cross multiply
11,385,469.87x = 15,711,678.98 × 6,228,873.79 - Step 4: Simplify right side
11,385,469.87x = 97,866,065,348,350.64 - Step 5: Solve for x
x = 97,866,065,348,350.64/11,385,469.87 - Step 6: Final answer
x = 8,595,698.42
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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.