Finding the Fourth Proportional to 7,032,708.40, 10,549,062.60 and 6,749,273.20
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Solution
The fourth proportional to 7,032,708.40, 10,549,062.60 and 6,749,273.20 is: 10,123,909.80
Step by Step Solution
- Step 1: Write the proportion equation
7,032,708.40 : 10,549,062.60 = 6,749,273.20 : x - Step 2: Convert to fraction form
7,032,708.40/10,549,062.60 = 6,749,273.20/x - Step 3: Cross multiply
7,032,708.40x = 10,549,062.60 × 6,749,273.20 - Step 4: Simplify right side
7,032,708.40x = 71,198,505,491,302.31 - Step 5: Solve for x
x = 71,198,505,491,302.31/7,032,708.40 - Step 6: Final answer
x = 10,123,909.80
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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.