Finding the Fourth Proportional to 36,668,125.80, 54,918,207.90 and 18,696,234.60
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Solution
The fourth proportional to 36,668,125.80, 54,918,207.90 and 18,696,234.60 is: 28,001,532.02
Step by Step Solution
- Step 1: Write the proportion equation
36,668,125.80 : 54,918,207.90 = 18,696,234.60 : x - Step 2: Convert to fraction form
36,668,125.80/54,918,207.90 = 18,696,234.60/x - Step 3: Cross multiply
36,668,125.80x = 54,918,207.90 × 18,696,234.60 - Step 4: Simplify right side
36,668,125.80x = 1,026,763,698,709,973.38 - Step 5: Solve for x
x = 1,026,763,698,709,973.38/36,668,125.80 - Step 6: Final answer
x = 28,001,532.02
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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.