Finding the Fourth Proportional to 19,482,628.81, 26,864,025.96 and 14,572,113.97
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Solution
The fourth proportional to 19,482,628.81, 26,864,025.96 and 14,572,113.97 is: 20,093,060.94
Step by Step Solution
- Step 1: Write the proportion equation
19,482,628.81 : 26,864,025.96 = 14,572,113.97 : x - Step 2: Convert to fraction form
19,482,628.81/26,864,025.96 = 14,572,113.97/x - Step 3: Cross multiply
19,482,628.81x = 26,864,025.96 × 14,572,113.97 - Step 4: Simplify right side
19,482,628.81x = 391,465,647,982,158.69 - Step 5: Solve for x
x = 391,465,647,982,158.69/19,482,628.81 - Step 6: Final answer
x = 20,093,060.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.