Finding the Fourth Proportional to 10,890,989.12, 16,341,994.92 and 4,505,823.92
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Solution
The fourth proportional to 10,890,989.12, 16,341,994.92 and 4,505,823.92 is: 6,761,015.99
Step by Step Solution
- Step 1: Write the proportion equation
10,890,989.12 : 16,341,994.92 = 4,505,823.92 : x - Step 2: Convert to fraction form
10,890,989.12/16,341,994.92 = 4,505,823.92/x - Step 3: Cross multiply
10,890,989.12x = 16,341,994.92 × 4,505,823.92 - Step 4: Simplify right side
10,890,989.12x = 73,634,151,611,054.48 - Step 5: Solve for x
x = 73,634,151,611,054.48/10,890,989.12 - Step 6: Final answer
x = 6,761,015.99
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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.