Finding the Fourth Proportional to 16,147,895.80, 24,255,539.70 and 13,628,471.80
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Solution
The fourth proportional to 16,147,895.80, 24,255,539.70 and 13,628,471.80 is: 20,471,146.39
Step by Step Solution
- Step 1: Write the proportion equation
16,147,895.80 : 24,255,539.70 = 13,628,471.80 : x - Step 2: Convert to fraction form
16,147,895.80/24,255,539.70 = 13,628,471.80/x - Step 3: Cross multiply
16,147,895.80x = 24,255,539.70 × 13,628,471.80 - Step 4: Simplify right side
16,147,895.80x = 330,565,938,795,230.44 - Step 5: Solve for x
x = 330,565,938,795,230.44/16,147,895.80 - Step 6: Final answer
x = 20,471,146.39
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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.