Finding the Fourth Proportional to 10,862,604.40, 16,295,874.90 and 5,457,652.60
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Solution
The fourth proportional to 10,862,604.40, 16,295,874.90 and 5,457,652.60 is: 8,187,467.82
Step by Step Solution
- Step 1: Write the proportion equation
10,862,604.40 : 16,295,874.90 = 5,457,652.60 : x - Step 2: Convert to fraction form
10,862,604.40/16,295,874.90 = 5,457,652.60/x - Step 3: Cross multiply
10,862,604.40x = 16,295,874.90 × 5,457,652.60 - Step 4: Simplify right side
10,862,604.40x = 88,937,224,017,259.73 - Step 5: Solve for x
x = 88,937,224,017,259.73/10,862,604.40 - Step 6: Final answer
x = 8,187,467.82
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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.