Finding the Fourth Proportional to 16,128,214.40, 24,194,395.20 and 8,045,321.60
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Solution
The fourth proportional to 16,128,214.40, 24,194,395.20 and 8,045,321.60 is: 12,069,016.78
Step by Step Solution
- Step 1: Write the proportion equation
16,128,214.40 : 24,194,395.20 = 8,045,321.60 : x - Step 2: Convert to fraction form
16,128,214.40/24,194,395.20 = 8,045,321.60/x - Step 3: Cross multiply
16,128,214.40x = 24,194,395.20 × 8,045,321.60 - Step 4: Simplify right side
16,128,214.40x = 194,651,690,301,496.31 - Step 5: Solve for x
x = 194,651,690,301,496.31/16,128,214.40 - Step 6: Final answer
x = 12,069,016.78
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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.