Finding the Fourth Proportional to 16,129,520.63, 24,201,847.59 and 8,043,126.86
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Solution
The fourth proportional to 16,129,520.63, 24,201,847.59 and 8,043,126.86 is: 12,068,463.47
Step by Step Solution
- Step 1: Write the proportion equation
16,129,520.63 : 24,201,847.59 = 8,043,126.86 : x - Step 2: Convert to fraction form
16,129,520.63/24,201,847.59 = 8,043,126.86/x - Step 3: Cross multiply
16,129,520.63x = 24,201,847.59 × 8,043,126.86 - Step 4: Simplify right side
16,129,520.63x = 194,658,530,488,332.69 - Step 5: Solve for x
x = 194,658,530,488,332.69/16,129,520.63 - Step 6: Final answer
x = 12,068,463.47
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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.