Finding the Fourth Proportional to 48,423,371.51, 66,821,837.55 and 27,512,642.09
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Solution
The fourth proportional to 48,423,371.51, 66,821,837.55 and 27,512,642.09 is: 37,966,073.88
Step by Step Solution
- Step 1: Write the proportion equation
48,423,371.51 : 66,821,837.55 = 27,512,642.09 : x - Step 2: Convert to fraction form
48,423,371.51/66,821,837.55 = 27,512,642.09/x - Step 3: Cross multiply
48,423,371.51x = 66,821,837.55 × 27,512,642.09 - Step 4: Simplify right side
48,423,371.51x = 1,838,445,300,309,272.50 - Step 5: Solve for x
x = 1,838,445,300,309,272.50/48,423,371.51 - Step 6: Final answer
x = 37,966,073.88
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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.