Finding the Fourth Proportional to 32,773,972.75, 49,163,321.13 and 12,579,214.75
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Solution
The fourth proportional to 32,773,972.75, 49,163,321.13 and 12,579,214.75 is: 18,869,728.70
Step by Step Solution
- Step 1: Write the proportion equation
32,773,972.75 : 49,163,321.13 = 12,579,214.75 : x - Step 2: Convert to fraction form
32,773,972.75/49,163,321.13 = 12,579,214.75/x - Step 3: Cross multiply
32,773,972.75x = 49,163,321.13 × 12,579,214.75 - Step 4: Simplify right side
32,773,972.75x = 618,435,974,317,482.75 - Step 5: Solve for x
x = 618,435,974,317,482.75/32,773,972.75 - Step 6: Final answer
x = 18,869,728.70
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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.