Finding the Fourth Proportional to 18,591,773.40, 27,887,660.10 and 6,457,203.90
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Solution
The fourth proportional to 18,591,773.40, 27,887,660.10 and 6,457,203.90 is: 9,685,805.85
Step by Step Solution
- Step 1: Write the proportion equation
18,591,773.40 : 27,887,660.10 = 6,457,203.90 : x - Step 2: Convert to fraction form
18,591,773.40/27,887,660.10 = 6,457,203.90/x - Step 3: Cross multiply
18,591,773.40x = 27,887,660.10 × 6,457,203.90 - Step 4: Simplify right side
18,591,773.40x = 180,076,307,559,594.41 - Step 5: Solve for x
x = 180,076,307,559,594.41/18,591,773.40 - Step 6: Final answer
x = 9,685,805.85
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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.