Finding the Fourth Proportional to 32,455,430.40, 48,683,145.60 and 8,523,321.60
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Solution
The fourth proportional to 32,455,430.40, 48,683,145.60 and 8,523,321.60 is: 12,784,982.40
Step by Step Solution
- Step 1: Write the proportion equation
32,455,430.40 : 48,683,145.60 = 8,523,321.60 : x - Step 2: Convert to fraction form
32,455,430.40/48,683,145.60 = 8,523,321.60/x - Step 3: Cross multiply
32,455,430.40x = 48,683,145.60 × 8,523,321.60 - Step 4: Simplify right side
32,455,430.40x = 414,942,106,448,424.94 - Step 5: Solve for x
x = 414,942,106,448,424.94/32,455,430.40 - Step 6: Final answer
x = 12,784,982.40
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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.