Finding the Fourth Proportional to 19,796,620.60, 29,694,930.90 and 18,361,729.90
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Solution
The fourth proportional to 19,796,620.60, 29,694,930.90 and 18,361,729.90 is: 27,542,594.85
Step by Step Solution
- Step 1: Write the proportion equation
19,796,620.60 : 29,694,930.90 = 18,361,729.90 : x - Step 2: Convert to fraction form
19,796,620.60/29,694,930.90 = 18,361,729.90/x - Step 3: Cross multiply
19,796,620.60x = 29,694,930.90 × 18,361,729.90 - Step 4: Simplify right side
19,796,620.60x = 545,250,300,584,963.81 - Step 5: Solve for x
x = 545,250,300,584,963.81/19,796,620.60 - Step 6: Final answer
x = 27,542,594.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.