Finding the Fourth Proportional to 12,249,553.40, 18,374,330.10 and 3,728,782.70
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Solution
The fourth proportional to 12,249,553.40, 18,374,330.10 and 3,728,782.70 is: 5,593,174.05
Step by Step Solution
- Step 1: Write the proportion equation
12,249,553.40 : 18,374,330.10 = 3,728,782.70 : x - Step 2: Convert to fraction form
12,249,553.40/18,374,330.10 = 3,728,782.70/x - Step 3: Cross multiply
12,249,553.40x = 18,374,330.10 × 3,728,782.70 - Step 4: Simplify right side
12,249,553.40x = 68,513,884,200,969.28 - Step 5: Solve for x
x = 68,513,884,200,969.28/12,249,553.40 - Step 6: Final answer
x = 5,593,174.05
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Similar ratio
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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.