Finding the Fourth Proportional to 16,138,680.40, 24,236,014.20 and 8,580,408.40
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Solution
The fourth proportional to 16,138,680.40, 24,236,014.20 and 8,580,408.40 is: 12,885,495.88
Step by Step Solution
- Step 1: Write the proportion equation
16,138,680.40 : 24,236,014.20 = 8,580,408.40 : x - Step 2: Convert to fraction form
16,138,680.40/24,236,014.20 = 8,580,408.40/x - Step 3: Cross multiply
16,138,680.40x = 24,236,014.20 × 8,580,408.40 - Step 4: Simplify right side
16,138,680.40x = 207,954,899,824,199.28 - Step 5: Solve for x
x = 207,954,899,824,199.28/16,138,680.40 - Step 6: Final answer
x = 12,885,495.88
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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.