Finding the Fourth Proportional to 38,651,448.20, 57,984,170.70 and 19,433,841.80
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Solution
The fourth proportional to 38,651,448.20, 57,984,170.70 and 19,433,841.80 is: 29,154,281.48
Step by Step Solution
- Step 1: Write the proportion equation
38,651,448.20 : 57,984,170.70 = 19,433,841.80 : x - Step 2: Convert to fraction form
38,651,448.20/57,984,170.70 = 19,433,841.80/x - Step 3: Cross multiply
38,651,448.20x = 57,984,170.70 × 19,433,841.80 - Step 4: Simplify right side
38,651,448.20x = 1,126,855,200,287,995.25 - Step 5: Solve for x
x = 1,126,855,200,287,995.25/38,651,448.20 - Step 6: Final answer
x = 29,154,281.48
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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.