Finding the Fourth Proportional to 14,280,532.53, 19,704,363.12 and 8,481,133.41
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Solution
The fourth proportional to 14,280,532.53, 19,704,363.12 and 8,481,133.41 is: 11,702,317.97
Step by Step Solution
- Step 1: Write the proportion equation
14,280,532.53 : 19,704,363.12 = 8,481,133.41 : x - Step 2: Convert to fraction form
14,280,532.53/19,704,363.12 = 8,481,133.41/x - Step 3: Cross multiply
14,280,532.53x = 19,704,363.12 × 8,481,133.41 - Step 4: Simplify right side
14,280,532.53x = 167,115,332,379,803.84 - Step 5: Solve for x
x = 167,115,332,379,803.84/14,280,532.53 - Step 6: Final answer
x = 11,702,317.97
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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.