Finding the Fourth Proportional to 29,379,067.20, 44,068,600.80 and 12,358,958.40
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Solution
The fourth proportional to 29,379,067.20, 44,068,600.80 and 12,358,958.40 is: 18,538,437.60
Step by Step Solution
- Step 1: Write the proportion equation
29,379,067.20 : 44,068,600.80 = 12,358,958.40 : x - Step 2: Convert to fraction form
29,379,067.20/44,068,600.80 = 12,358,958.40/x - Step 3: Cross multiply
29,379,067.20x = 44,068,600.80 × 12,358,958.40 - Step 4: Simplify right side
29,379,067.20x = 544,642,004,033,406.69 - Step 5: Solve for x
x = 544,642,004,033,406.69/29,379,067.20 - Step 6: Final answer
x = 18,538,437.60
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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.