Finding the Fourth Proportional to 32,370,086.40, 48,555,129.60 and 8,435,558.40
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Solution
The fourth proportional to 32,370,086.40, 48,555,129.60 and 8,435,558.40 is: 12,653,337.60
Step by Step Solution
- Step 1: Write the proportion equation
32,370,086.40 : 48,555,129.60 = 8,435,558.40 : x - Step 2: Convert to fraction form
32,370,086.40/48,555,129.60 = 8,435,558.40/x - Step 3: Cross multiply
32,370,086.40x = 48,555,129.60 × 8,435,558.40 - Step 4: Simplify right side
32,370,086.40x = 409,589,631,360,368.69 - Step 5: Solve for x
x = 409,589,631,360,368.69/32,370,086.40 - Step 6: Final answer
x = 12,653,337.60
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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.