Finding the Fourth Proportional to 30,589,133.42, 42,214,117.68 and 16,649,813.25
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Solution
The fourth proportional to 30,589,133.42, 42,214,117.68 and 16,649,813.25 is: 22,977,348.40
Step by Step Solution
- Step 1: Write the proportion equation
30,589,133.42 : 42,214,117.68 = 16,649,813.25 : x - Step 2: Convert to fraction form
30,589,133.42/42,214,117.68 = 16,649,813.25/x - Step 3: Cross multiply
30,589,133.42x = 42,214,117.68 × 16,649,813.25 - Step 4: Simplify right side
30,589,133.42x = 702,857,175,885,523.25 - Step 5: Solve for x
x = 702,857,175,885,523.25/30,589,133.42 - Step 6: Final answer
x = 22,977,348.40
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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.