Finding the Fourth Proportional to 24,391,990.67, 33,660,995.24 and 13,378,830.03
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Solution
The fourth proportional to 24,391,990.67, 33,660,995.24 and 13,378,830.03 is: 18,462,811.83
Step by Step Solution
- Step 1: Write the proportion equation
24,391,990.67 : 33,660,995.24 = 13,378,830.03 : x - Step 2: Convert to fraction form
24,391,990.67/33,660,995.24 = 13,378,830.03/x - Step 3: Cross multiply
24,391,990.67x = 33,660,995.24 × 13,378,830.03 - Step 4: Simplify right side
24,391,990.67x = 450,344,733,889,704.88 - Step 5: Solve for x
x = 450,344,733,889,704.88/24,391,990.67 - Step 6: Final answer
x = 18,462,811.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.