Finding the Fourth Proportional to 16,129,312.80, 24,193,969.20 and 5,491,744.80
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Solution
The fourth proportional to 16,129,312.80, 24,193,969.20 and 5,491,744.80 is: 8,237,617.20
Step by Step Solution
- Step 1: Write the proportion equation
16,129,312.80 : 24,193,969.20 = 5,491,744.80 : x - Step 2: Convert to fraction form
16,129,312.80/24,193,969.20 = 5,491,744.80/x - Step 3: Cross multiply
16,129,312.80x = 24,193,969.20 × 5,491,744.80 - Step 4: Simplify right side
16,129,312.80x = 132,867,104,545,460.16 - Step 5: Solve for x
x = 132,867,104,545,460.16/16,129,312.80 - Step 6: Final answer
x = 8,237,617.20
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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.