Finding the Fourth Proportional to 12,854,919.96, 19,272,234.29 and 6,373,526.44
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Solution
The fourth proportional to 12,854,919.96, 19,272,234.29 and 6,373,526.44 is: 9,555,259.41
Step by Step Solution
- Step 1: Write the proportion equation
12,854,919.96 : 19,272,234.29 = 6,373,526.44 : x - Step 2: Convert to fraction form
12,854,919.96/19,272,234.29 = 6,373,526.44/x - Step 3: Cross multiply
12,854,919.96x = 19,272,234.29 × 6,373,526.44 - Step 4: Simplify right side
12,854,919.96x = 122,832,094,805,189.62 - Step 5: Solve for x
x = 122,832,094,805,189.62/12,854,919.96 - Step 6: Final answer
x = 9,555,259.41
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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.