Finding the Fourth Proportional to 10,930,261.60, 16,381,395.60 and 8,393,341.60
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Solution
The fourth proportional to 10,930,261.60, 16,381,395.60 and 8,393,341.60 is: 12,579,264.27
Step by Step Solution
- Step 1: Write the proportion equation
10,930,261.60 : 16,381,395.60 = 8,393,341.60 : x - Step 2: Convert to fraction form
10,930,261.60/16,381,395.60 = 8,393,341.60/x - Step 3: Cross multiply
10,930,261.60x = 16,381,395.60 × 8,393,341.60 - Step 4: Simplify right side
10,930,261.60x = 137,494,649,155,536.95 - Step 5: Solve for x
x = 137,494,649,155,536.95/10,930,261.60 - Step 6: Final answer
x = 12,579,264.27
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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.