Finding the Fourth Proportional to 12,245,153.98, 18,367,768.74 and 3,023,127.53
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Solution
The fourth proportional to 12,245,153.98, 18,367,768.74 and 3,023,127.53 is: 4,534,700.62
Step by Step Solution
- Step 1: Write the proportion equation
12,245,153.98 : 18,367,768.74 = 3,023,127.53 : x - Step 2: Convert to fraction form
12,245,153.98/18,367,768.74 = 3,023,127.53/x - Step 3: Cross multiply
12,245,153.98x = 18,367,768.74 × 3,023,127.53 - Step 4: Simplify right side
12,245,153.98x = 55,528,107,342,567.41 - Step 5: Solve for x
x = 55,528,107,342,567.41/12,245,153.98 - Step 6: Final answer
x = 4,534,700.62
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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.