Finding the Fourth Proportional to 43,336,381.68, 64,985,674.50 and 16,391,142
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Solution
The fourth proportional to 43,336,381.68, 64,985,674.50 and 16,391,142 is: 24,579,565.19
Step by Step Solution
- Step 1: Write the proportion equation
43,336,381.68 : 64,985,674.50 = 16,391,142 : x - Step 2: Convert to fraction form
43,336,381.68/64,985,674.50 = 16,391,142/x - Step 3: Cross multiply
43,336,381.68x = 64,985,674.50 × 16,391,142 - Step 4: Simplify right side
43,336,381.68x = 1,065,189,418,695,279 - Step 5: Solve for x
x = 1,065,189,418,695,279/43,336,381.68 - Step 6: Final answer
x = 24,579,565.19
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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.