Finding the Fourth Proportional to 16,128,976.40, 24,193,464.60 and 10,754,205.20
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Solution
The fourth proportional to 16,128,976.40, 24,193,464.60 and 10,754,205.20 is: 16,131,307.80
Step by Step Solution
- Step 1: Write the proportion equation
16,128,976.40 : 24,193,464.60 = 10,754,205.20 : x - Step 2: Convert to fraction form
16,128,976.40/24,193,464.60 = 10,754,205.20/x - Step 3: Cross multiply
16,128,976.40x = 24,193,464.60 × 10,754,205.20 - Step 4: Simplify right side
16,128,976.40x = 260,181,482,807,335.91 - Step 5: Solve for x
x = 260,181,482,807,335.91/16,128,976.40 - Step 6: Final answer
x = 16,131,307.80
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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.