Finding the Fourth Proportional to 53,231,265.68, 79,882,565.18 and 18,687,770.06
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Solution
The fourth proportional to 53,231,265.68, 79,882,565.18 and 18,687,770.06 is: 28,044,176.49
Step by Step Solution
- Step 1: Write the proportion equation
53,231,265.68 : 79,882,565.18 = 18,687,770.06 : x - Step 2: Convert to fraction form
53,231,265.68/79,882,565.18 = 18,687,770.06/x - Step 3: Cross multiply
53,231,265.68x = 79,882,565.18 × 18,687,770.06 - Step 4: Simplify right side
53,231,265.68x = 1,492,827,009,393,950.75 - Step 5: Solve for x
x = 1,492,827,009,393,950.75/53,231,265.68 - Step 6: Final answer
x = 28,044,176.49
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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.