Finding the Fourth Proportional to 19,585,153.08, 27,027,792.32 and 10,765,421.24
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Solution
The fourth proportional to 19,585,153.08, 27,027,792.32 and 10,765,421.24 is: 14,856,435.80
Step by Step Solution
- Step 1: Write the proportion equation
19,585,153.08 : 27,027,792.32 = 10,765,421.24 : x - Step 2: Convert to fraction form
19,585,153.08/27,027,792.32 = 10,765,421.24/x - Step 3: Cross multiply
19,585,153.08x = 27,027,792.32 × 10,765,421.24 - Step 4: Simplify right side
19,585,153.08x = 290,965,569,323,070.81 - Step 5: Solve for x
x = 290,965,569,323,070.81/19,585,153.08 - Step 6: Final answer
x = 14,856,435.80
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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.