Finding the Fourth Proportional to 36,385,402.20, 54,564,817.28 and 12,125,120.55
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Solution
The fourth proportional to 36,385,402.20, 54,564,817.28 and 12,125,120.55 is: 18,183,253.37
Step by Step Solution
- Step 1: Write the proportion equation
36,385,402.20 : 54,564,817.28 = 12,125,120.55 : x - Step 2: Convert to fraction form
36,385,402.20/54,564,817.28 = 12,125,120.55/x - Step 3: Cross multiply
36,385,402.20x = 54,564,817.28 × 12,125,120.55 - Step 4: Simplify right side
36,385,402.20x = 661,604,987,248,097.50 - Step 5: Solve for x
x = 661,604,987,248,097.50/36,385,402.20 - Step 6: Final answer
x = 18,183,253.37
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1.5x scale
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.