Finding the Fourth Proportional to 45,461,475.40, 68,192,213.10 and 13,114,433.20
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Solution
The fourth proportional to 45,461,475.40, 68,192,213.10 and 13,114,433.20 is: 19,671,649.80
Step by Step Solution
- Step 1: Write the proportion equation
45,461,475.40 : 68,192,213.10 = 13,114,433.20 : x - Step 2: Convert to fraction form
45,461,475.40/68,192,213.10 = 13,114,433.20/x - Step 3: Cross multiply
45,461,475.40x = 68,192,213.10 × 13,114,433.20 - Step 4: Simplify right side
45,461,475.40x = 894,302,223,460,114.75 - Step 5: Solve for x
x = 894,302,223,460,114.75/45,461,475.40 - Step 6: Final answer
x = 19,671,649.80
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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.