Finding the Fourth Proportional to 48,807,682.94, 73,211,205.27 and 12,415,763.18
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Solution
The fourth proportional to 48,807,682.94, 73,211,205.27 and 12,415,763.18 is: 18,623,563.59
Step by Step Solution
- Step 1: Write the proportion equation
48,807,682.94 : 73,211,205.27 = 12,415,763.18 : x - Step 2: Convert to fraction form
48,807,682.94/73,211,205.27 = 12,415,763.18/x - Step 3: Cross multiply
48,807,682.94x = 73,211,205.27 × 12,415,763.18 - Step 4: Simplify right side
48,807,682.94x = 908,972,986,754,687.88 - Step 5: Solve for x
x = 908,972,986,754,687.88/48,807,682.94 - Step 6: Final answer
x = 18,623,563.59
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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.