Finding the Fourth Proportional to 48,423,372.01, 66,821,838.24 and 27,512,642.59
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Solution
The fourth proportional to 48,423,372.01, 66,821,838.24 and 27,512,642.59 is: 37,966,074.57
Step by Step Solution
- Step 1: Write the proportion equation
48,423,372.01 : 66,821,838.24 = 27,512,642.59 : x - Step 2: Convert to fraction form
48,423,372.01/66,821,838.24 = 27,512,642.59/x - Step 3: Cross multiply
48,423,372.01x = 66,821,838.24 × 27,512,642.59 - Step 4: Simplify right side
48,423,372.01x = 1,838,445,352,703,914.75 - Step 5: Solve for x
x = 1,838,445,352,703,914.75/48,423,372.01 - Step 6: Final answer
x = 37,966,074.57
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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.