Finding the Fourth Proportional to 32,373,774.40, 48,560,661.60 and 8,439,246.40
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Solution
The fourth proportional to 32,373,774.40, 48,560,661.60 and 8,439,246.40 is: 12,658,869.60
Step by Step Solution
- Step 1: Write the proportion equation
32,373,774.40 : 48,560,661.60 = 8,439,246.40 : x - Step 2: Convert to fraction form
32,373,774.40/48,560,661.60 = 8,439,246.40/x - Step 3: Cross multiply
32,373,774.40x = 48,560,661.60 × 8,439,246.40 - Step 4: Simplify right side
32,373,774.40x = 409,815,388,589,418.25 - Step 5: Solve for x
x = 409,815,388,589,418.25/32,373,774.40 - Step 6: Final answer
x = 12,658,869.60
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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.