Finding the Fourth Proportional to 11,265,729.64, 16,898,651.87 and 4,787,135.80
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Solution
The fourth proportional to 11,265,729.64, 16,898,651.87 and 4,787,135.80 is: 7,180,728.09
Step by Step Solution
- Step 1: Write the proportion equation
11,265,729.64 : 16,898,651.87 = 4,787,135.80 : x - Step 2: Convert to fraction form
11,265,729.64/16,898,651.87 = 4,787,135.80/x - Step 3: Cross multiply
11,265,729.64x = 16,898,651.87 × 4,787,135.80 - Step 4: Simplify right side
11,265,729.64x = 80,896,141,272,431.64 - Step 5: Solve for x
x = 80,896,141,272,431.64/11,265,729.64 - Step 6: Final answer
x = 7,180,728.09
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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.