Finding the Fourth Proportional to 8,885,078.21, 13,327,617.46 and 2,153,492.21
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Solution
The fourth proportional to 8,885,078.21, 13,327,617.46 and 2,153,492.21 is: 3,230,238.35
Step by Step Solution
- Step 1: Write the proportion equation
8,885,078.21 : 13,327,617.46 = 2,153,492.21 : x - Step 2: Convert to fraction form
8,885,078.21/13,327,617.46 = 2,153,492.21/x - Step 3: Cross multiply
8,885,078.21x = 13,327,617.46 × 2,153,492.21 - Step 4: Simplify right side
8,885,078.21x = 28,700,920,377,969.99 - Step 5: Solve for x
x = 28,700,920,377,969.99/8,885,078.21 - Step 6: Final answer
x = 3,230,238.35
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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.