Finding the Fourth Proportional to 14,698,381.24, 20,284,901.04 and 8,818,235.92
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Solution
The fourth proportional to 14,698,381.24, 20,284,901.04 and 8,818,235.92 is: 12,169,846.47
Step by Step Solution
- Step 1: Write the proportion equation
14,698,381.24 : 20,284,901.04 = 8,818,235.92 : x - Step 2: Convert to fraction form
14,698,381.24/20,284,901.04 = 8,818,235.92/x - Step 3: Cross multiply
14,698,381.24x = 20,284,901.04 × 8,818,235.92 - Step 4: Simplify right side
14,698,381.24x = 178,877,042,984,573.34 - Step 5: Solve for x
x = 178,877,042,984,573.34/14,698,381.24 - Step 6: Final answer
x = 12,169,846.47
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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.