Finding the Fourth Proportional to 44,286,847.70, 66,430,271.55 and 20,398,975.70
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Solution
The fourth proportional to 44,286,847.70, 66,430,271.55 and 20,398,975.70 is: 30,598,463.55
Step by Step Solution
- Step 1: Write the proportion equation
44,286,847.70 : 66,430,271.55 = 20,398,975.70 : x - Step 2: Convert to fraction form
44,286,847.70/66,430,271.55 = 20,398,975.70/x - Step 3: Cross multiply
44,286,847.70x = 66,430,271.55 × 20,398,975.70 - Step 4: Simplify right side
44,286,847.70x = 1,355,109,495,092,851.25 - Step 5: Solve for x
x = 1,355,109,495,092,851.25/44,286,847.70 - Step 6: Final answer
x = 30,598,463.55
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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.