Finding the Fourth Proportional to 20,463,133.11, 28,238,132.06 and 11,641,753.80
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Solution
The fourth proportional to 20,463,133.11, 28,238,132.06 and 11,641,753.80 is: 16,065,056.09
Step by Step Solution
- Step 1: Write the proportion equation
20,463,133.11 : 28,238,132.06 = 11,641,753.80 : x - Step 2: Convert to fraction form
20,463,133.11/28,238,132.06 = 11,641,753.80/x - Step 3: Cross multiply
20,463,133.11x = 28,238,132.06 × 11,641,753.80 - Step 4: Simplify right side
20,463,133.11x = 328,741,381,156,198.06 - Step 5: Solve for x
x = 328,741,381,156,198.06/20,463,133.11 - Step 6: Final answer
x = 16,065,056.09
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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.