Finding the Fourth Proportional to 14,682,566.30, 20,261,378.21 and 8,156,606.09
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Solution
The fourth proportional to 14,682,566.30, 20,261,378.21 and 8,156,606.09 is: 11,255,803.48
Step by Step Solution
- Step 1: Write the proportion equation
14,682,566.30 : 20,261,378.21 = 8,156,606.09 : x - Step 2: Convert to fraction form
14,682,566.30/20,261,378.21 = 8,156,606.09/x - Step 3: Cross multiply
14,682,566.30x = 20,261,378.21 × 8,156,606.09 - Step 4: Simplify right side
14,682,566.30x = 165,264,080,757,389.38 - Step 5: Solve for x
x = 165,264,080,757,389.38/14,682,566.30 - Step 6: Final answer
x = 11,255,803.48
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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.