Finding the Fourth Proportional to 10,775,557.60, 16,163,336.40 and 10,244,116.60
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Solution
The fourth proportional to 10,775,557.60, 16,163,336.40 and 10,244,116.60 is: 15,366,174.90
Step by Step Solution
- Step 1: Write the proportion equation
10,775,557.60 : 16,163,336.40 = 10,244,116.60 : x - Step 2: Convert to fraction form
10,775,557.60/16,163,336.40 = 10,244,116.60/x - Step 3: Cross multiply
10,775,557.60x = 16,163,336.40 × 10,244,116.60 - Step 4: Simplify right side
10,775,557.60x = 165,579,102,726,624.25 - Step 5: Solve for x
x = 165,579,102,726,624.25/10,775,557.60 - Step 6: Final answer
x = 15,366,174.90
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1.5x scale
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.