Finding the Fourth Proportional to 46,480,739.54, 69,729,621.90 and 19,172,135.12
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Solution
The fourth proportional to 46,480,739.54, 69,729,621.90 and 19,172,135.12 is: 28,761,713.91
Step by Step Solution
- Step 1: Write the proportion equation
46,480,739.54 : 69,729,621.90 = 19,172,135.12 : x - Step 2: Convert to fraction form
46,480,739.54/69,729,621.90 = 19,172,135.12/x - Step 3: Cross multiply
46,480,739.54x = 69,729,621.90 × 19,172,135.12 - Step 4: Simplify right side
46,480,739.54x = 1,336,865,732,933,311.25 - Step 5: Solve for x
x = 1,336,865,732,933,311.25/46,480,739.54 - Step 6: Final answer
x = 28,761,713.91
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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.