Finding the Fourth Proportional to 10,898,808.64, 16,351,163.84 and 4,076,074.72
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Solution
The fourth proportional to 10,898,808.64, 16,351,163.84 and 4,076,074.72 is: 6,115,215.69
Step by Step Solution
- Step 1: Write the proportion equation
10,898,808.64 : 16,351,163.84 = 4,076,074.72 : x - Step 2: Convert to fraction form
10,898,808.64/16,351,163.84 = 4,076,074.72/x - Step 3: Cross multiply
10,898,808.64x = 16,351,163.84 × 4,076,074.72 - Step 4: Simplify right side
10,898,808.64x = 66,648,565,570,802.12 - Step 5: Solve for x
x = 66,648,565,570,802.12/10,898,808.64 - Step 6: Final answer
x = 6,115,215.69
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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.