Finding the Fourth Proportional to 16,065,161.70, 22,170,308.49 and 8,723,304.42
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Solution
The fourth proportional to 16,065,161.70, 22,170,308.49 and 8,723,304.42 is: 12,038,369.34
Step by Step Solution
- Step 1: Write the proportion equation
16,065,161.70 : 22,170,308.49 = 8,723,304.42 : x - Step 2: Convert to fraction form
16,065,161.70/22,170,308.49 = 8,723,304.42/x - Step 3: Cross multiply
16,065,161.70x = 22,170,308.49 × 8,723,304.42 - Step 4: Simplify right side
16,065,161.70x = 193,398,350,043,580.50 - Step 5: Solve for x
x = 193,398,350,043,580.50/16,065,161.70 - Step 6: Final answer
x = 12,038,369.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.