Finding the Fourth Proportional to 16,644,811.20, 24,967,216.80 and 4,677,547.20
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Solution
The fourth proportional to 16,644,811.20, 24,967,216.80 and 4,677,547.20 is: 7,016,320.80
Step by Step Solution
- Step 1: Write the proportion equation
16,644,811.20 : 24,967,216.80 = 4,677,547.20 : x - Step 2: Convert to fraction form
16,644,811.20/24,967,216.80 = 4,677,547.20/x - Step 3: Cross multiply
16,644,811.20x = 24,967,216.80 × 4,677,547.20 - Step 4: Simplify right side
16,644,811.20x = 116,785,335,034,632.97 - Step 5: Solve for x
x = 116,785,335,034,632.97/16,644,811.20 - Step 6: Final answer
x = 7,016,320.80
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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.