Finding the Fourth Proportional to 53,209,416.40, 79,825,934.40 and 24,448,616.80
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Solution
The fourth proportional to 53,209,416.40, 79,825,934.40 and 24,448,616.80 is: 36,678,351.56
Step by Step Solution
- Step 1: Write the proportion equation
53,209,416.40 : 79,825,934.40 = 24,448,616.80 : x - Step 2: Convert to fraction form
53,209,416.40/79,825,934.40 = 24,448,616.80/x - Step 3: Cross multiply
53,209,416.40x = 79,825,934.40 × 24,448,616.80 - Step 4: Simplify right side
53,209,416.40x = 1,951,633,680,847,538.25 - Step 5: Solve for x
x = 1,951,633,680,847,538.25/53,209,416.40 - Step 6: Final answer
x = 36,678,351.56
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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.