Finding the Fourth Proportional to 20,085,189.18, 30,102,567.93 and 10,862,794.05
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Solution
The fourth proportional to 20,085,189.18, 30,102,567.93 and 10,862,794.05 is: 16,280,553.44
Step by Step Solution
- Step 1: Write the proportion equation
20,085,189.18 : 30,102,567.93 = 10,862,794.05 : x - Step 2: Convert to fraction form
20,085,189.18/30,102,567.93 = 10,862,794.05/x - Step 3: Cross multiply
20,085,189.18x = 30,102,567.93 × 10,862,794.05 - Step 4: Simplify right side
20,085,189.18x = 326,997,995,799,724.81 - Step 5: Solve for x
x = 326,997,995,799,724.81/20,085,189.18 - Step 6: Final answer
x = 16,280,553.44
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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.