Finding the Fourth Proportional to 41,074,878.83, 61,621,767.30 and 13,784,792.99
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Solution
The fourth proportional to 41,074,878.83, 61,621,767.30 and 13,784,792.99 is: 20,680,360.60
Step by Step Solution
- Step 1: Write the proportion equation
41,074,878.83 : 61,621,767.30 = 13,784,792.99 : x - Step 2: Convert to fraction form
41,074,878.83/61,621,767.30 = 13,784,792.99/x - Step 3: Cross multiply
41,074,878.83x = 61,621,767.30 × 13,784,792.99 - Step 4: Simplify right side
41,074,878.83x = 849,443,305,908,451.25 - Step 5: Solve for x
x = 849,443,305,908,451.25/41,074,878.83 - Step 6: Final answer
x = 20,680,360.60
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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.