Finding the Fourth Proportional to 9,840,582.96, 14,747,993.01 and 5,286,308.55
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Solution
The fourth proportional to 9,840,582.96, 14,747,993.01 and 5,286,308.55 is: 7,922,542.99
Step by Step Solution
- Step 1: Write the proportion equation
9,840,582.96 : 14,747,993.01 = 5,286,308.55 : x - Step 2: Convert to fraction form
9,840,582.96/14,747,993.01 = 5,286,308.55/x - Step 3: Cross multiply
9,840,582.96x = 14,747,993.01 × 5,286,308.55 - Step 4: Simplify right side
9,840,582.96x = 77,962,441,544,103.23 - Step 5: Solve for x
x = 77,962,441,544,103.23/9,840,582.96 - Step 6: Final answer
x = 7,922,542.99
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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.