Finding the Fourth Proportional to 14,612,390.18, 20,167,240.20 and 8,416,230.98
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Solution
The fourth proportional to 14,612,390.18, 20,167,240.20 and 8,416,230.98 is: 11,615,632.33
Step by Step Solution
- Step 1: Write the proportion equation
14,612,390.18 : 20,167,240.20 = 8,416,230.98 : x - Step 2: Convert to fraction form
14,612,390.18/20,167,240.20 = 8,416,230.98/x - Step 3: Cross multiply
14,612,390.18x = 20,167,240.20 × 8,416,230.98 - Step 4: Simplify right side
14,612,390.18x = 169,732,151,752,341.41 - Step 5: Solve for x
x = 169,732,151,752,341.41/14,612,390.18 - Step 6: Final answer
x = 11,615,632.33
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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.