Finding the Fourth Proportional to 39,294,207.80, 58,941,311.70 and 17,739,135.80
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Solution
The fourth proportional to 39,294,207.80, 58,941,311.70 and 17,739,135.80 is: 26,608,703.70
Step by Step Solution
- Step 1: Write the proportion equation
39,294,207.80 : 58,941,311.70 = 17,739,135.80 : x - Step 2: Convert to fraction form
39,294,207.80/58,941,311.70 = 17,739,135.80/x - Step 3: Cross multiply
39,294,207.80x = 58,941,311.70 × 17,739,135.80 - Step 4: Simplify right side
39,294,207.80x = 1,045,567,932,476,429 - Step 5: Solve for x
x = 1,045,567,932,476,429/39,294,207.80 - Step 6: Final answer
x = 26,608,703.70
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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.