Finding the Fourth Proportional to 14,541,298.97, 20,065,812.63 and 8,430,121.13
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Solution
The fourth proportional to 14,541,298.97, 20,065,812.63 and 8,430,121.13 is: 11,632,883.10
Step by Step Solution
- Step 1: Write the proportion equation
14,541,298.97 : 20,065,812.63 = 8,430,121.13 : x - Step 2: Convert to fraction form
14,541,298.97/20,065,812.63 = 8,430,121.13/x - Step 3: Cross multiply
14,541,298.97x = 20,065,812.63 × 8,430,121.13 - Step 4: Simplify right side
14,541,298.97x = 169,157,231,042,783.88 - Step 5: Solve for x
x = 169,157,231,042,783.88/14,541,298.97 - Step 6: Final answer
x = 11,632,883.10
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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.