Finding the Fourth Proportional to 12,454,701.60, 18,682,635.60 and 3,935,704.80
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Solution
The fourth proportional to 12,454,701.60, 18,682,635.60 and 3,935,704.80 is: 5,903,741.49
Step by Step Solution
- Step 1: Write the proportion equation
12,454,701.60 : 18,682,635.60 = 3,935,704.80 : x - Step 2: Convert to fraction form
12,454,701.60/18,682,635.60 = 3,935,704.80/x - Step 3: Cross multiply
12,454,701.60x = 18,682,635.60 × 3,935,704.80 - Step 4: Simplify right side
12,454,701.60x = 73,529,338,607,570.88 - Step 5: Solve for x
x = 73,529,338,607,570.88/12,454,701.60 - Step 6: Final answer
x = 5,903,741.49
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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.