Finding the Fourth Proportional to 43,425,691.98, 65,140,632.96 and 14,278,885.68
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Solution
The fourth proportional to 43,425,691.98, 65,140,632.96 and 14,278,885.68 is: 21,419,017.38
Step by Step Solution
- Step 1: Write the proportion equation
43,425,691.98 : 65,140,632.96 = 14,278,885.68 : x - Step 2: Convert to fraction form
43,425,691.98/65,140,632.96 = 14,278,885.68/x - Step 3: Cross multiply
43,425,691.98x = 65,140,632.96 × 14,278,885.68 - Step 4: Simplify right side
43,425,691.98x = 930,135,651,158,680 - Step 5: Solve for x
x = 930,135,651,158,680/43,425,691.98 - Step 6: Final answer
x = 21,419,017.38
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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.