Finding the Fourth Proportional to 39,744,658.40, 59,616,987.60 and 27,651,423.20
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Solution
The fourth proportional to 39,744,658.40, 59,616,987.60 and 27,651,423.20 is: 41,477,134.80
Step by Step Solution
- Step 1: Write the proportion equation
39,744,658.40 : 59,616,987.60 = 27,651,423.20 : x - Step 2: Convert to fraction form
39,744,658.40/59,616,987.60 = 27,651,423.20/x - Step 3: Cross multiply
39,744,658.40x = 59,616,987.60 × 27,651,423.20 - Step 4: Simplify right side
39,744,658.40x = 1,648,494,554,036,752.25 - Step 5: Solve for x
x = 1,648,494,554,036,752.25/39,744,658.40 - Step 6: Final answer
x = 41,477,134.80
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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.