Finding the Fourth Proportional to 16,668,849.20, 24,936,918.60 and 14,449,636.40
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Solution
The fourth proportional to 16,668,849.20, 24,936,918.60 and 14,449,636.40 is: 21,616,933.62
Step by Step Solution
- Step 1: Write the proportion equation
16,668,849.20 : 24,936,918.60 = 14,449,636.40 : x - Step 2: Convert to fraction form
16,668,849.20/24,936,918.60 = 14,449,636.40/x - Step 3: Cross multiply
16,668,849.20x = 24,936,918.60 × 14,449,636.40 - Step 4: Simplify right side
16,668,849.20x = 360,329,406,706,397.06 - Step 5: Solve for x
x = 360,329,406,706,397.06/16,668,849.20 - Step 6: Final answer
x = 21,616,933.62
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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.