Finding the Fourth Proportional to 51,657,193.22, 71,286,924.56 and 28,452,320.91
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Solution
The fourth proportional to 51,657,193.22, 71,286,924.56 and 28,452,320.91 is: 39,264,201.71
Step by Step Solution
- Step 1: Write the proportion equation
51,657,193.22 : 71,286,924.56 = 28,452,320.91 : x - Step 2: Convert to fraction form
51,657,193.22/71,286,924.56 = 28,452,320.91/x - Step 3: Cross multiply
51,657,193.22x = 71,286,924.56 × 28,452,320.91 - Step 4: Simplify right side
51,657,193.22x = 2,028,278,454,125,819.25 - Step 5: Solve for x
x = 2,028,278,454,125,819.25/51,657,193.22 - Step 6: Final answer
x = 39,264,201.71
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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.