Finding the Fourth Proportional to 19,422,163.20, 29,133,244.80 and 5,044,051.20
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Solution
The fourth proportional to 19,422,163.20, 29,133,244.80 and 5,044,051.20 is: 7,566,076.80
Step by Step Solution
- Step 1: Write the proportion equation
19,422,163.20 : 29,133,244.80 = 5,044,051.20 : x - Step 2: Convert to fraction form
19,422,163.20/29,133,244.80 = 5,044,051.20/x - Step 3: Cross multiply
19,422,163.20x = 29,133,244.80 × 5,044,051.20 - Step 4: Simplify right side
19,422,163.20x = 146,949,578,393,333.78 - Step 5: Solve for x
x = 146,949,578,393,333.78/19,422,163.20 - Step 6: Final answer
x = 7,566,076.80
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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.