Finding the Fourth Proportional to 48,423,372.76, 66,821,839.28 and 27,512,643.34
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Solution
The fourth proportional to 48,423,372.76, 66,821,839.28 and 27,512,643.34 is: 37,966,075.61
Step by Step Solution
- Step 1: Write the proportion equation
48,423,372.76 : 66,821,839.28 = 27,512,643.34 : x - Step 2: Convert to fraction form
48,423,372.76/66,821,839.28 = 27,512,643.34/x - Step 3: Cross multiply
48,423,372.76x = 66,821,839.28 × 27,512,643.34 - Step 4: Simplify right side
48,423,372.76x = 1,838,445,431,295,879.25 - Step 5: Solve for x
x = 1,838,445,431,295,879.25/48,423,372.76 - Step 6: Final answer
x = 37,966,075.61
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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.