Finding the Fourth Proportional to 7,415,276.40, 11,122,914.60 and 2,367,097.20
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Solution
The fourth proportional to 7,415,276.40, 11,122,914.60 and 2,367,097.20 is: 3,550,645.80
Step by Step Solution
- Step 1: Write the proportion equation
7,415,276.40 : 11,122,914.60 = 2,367,097.20 : x - Step 2: Convert to fraction form
7,415,276.40/11,122,914.60 = 2,367,097.20/x - Step 3: Cross multiply
7,415,276.40x = 11,122,914.60 × 2,367,097.20 - Step 4: Simplify right side
7,415,276.40x = 26,329,020,005,499.12 - Step 5: Solve for x
x = 26,329,020,005,499.12/7,415,276.40 - Step 6: Final answer
x = 3,550,645.80
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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.