Finding the Fourth Proportional to 56,154,455.80, 84,231,683.70 and 15,764,939.80
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Solution
The fourth proportional to 56,154,455.80, 84,231,683.70 and 15,764,939.80 is: 23,647,409.70
Step by Step Solution
- Step 1: Write the proportion equation
56,154,455.80 : 84,231,683.70 = 15,764,939.80 : x - Step 2: Convert to fraction form
56,154,455.80/84,231,683.70 = 15,764,939.80/x - Step 3: Cross multiply
56,154,455.80x = 84,231,683.70 × 15,764,939.80 - Step 4: Simplify right side
56,154,455.80x = 1,327,907,422,783,141.25 - Step 5: Solve for x
x = 1,327,907,422,783,141.25/56,154,455.80 - Step 6: Final answer
x = 23,647,409.70
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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.