Finding the Fourth Proportional to 12,576,090.40, 18,864,135.60 and 4,492,938.40
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Solution
The fourth proportional to 12,576,090.40, 18,864,135.60 and 4,492,938.40 is: 6,739,407.60
Step by Step Solution
- Step 1: Write the proportion equation
12,576,090.40 : 18,864,135.60 = 4,492,938.40 : x - Step 2: Convert to fraction form
12,576,090.40/18,864,135.60 = 4,492,938.40/x - Step 3: Cross multiply
12,576,090.40x = 18,864,135.60 × 4,492,938.40 - Step 4: Simplify right side
12,576,090.40x = 84,755,399,220,047.05 - Step 5: Solve for x
x = 84,755,399,220,047.05/12,576,090.40 - Step 6: Final answer
x = 6,739,407.60
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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.