Finding the Fourth Proportional to 14,125,485.64, 19,491,899.04 and 8,245,630.12
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Solution
The fourth proportional to 14,125,485.64, 19,491,899.04 and 8,245,630.12 is: 11,378,227.55
Step by Step Solution
- Step 1: Write the proportion equation
14,125,485.64 : 19,491,899.04 = 8,245,630.12 : x - Step 2: Convert to fraction form
14,125,485.64/19,491,899.04 = 8,245,630.12/x - Step 3: Cross multiply
14,125,485.64x = 19,491,899.04 × 8,245,630.12 - Step 4: Simplify right side
14,125,485.64x = 160,722,989,820,223.09 - Step 5: Solve for x
x = 160,722,989,820,223.09/14,125,485.64 - Step 6: Final answer
x = 11,378,227.55
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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.