Finding the Fourth Proportional to 38,965,240.62, 53,728,028.46 and 29,144,210.94
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Solution
The fourth proportional to 38,965,240.62, 53,728,028.46 and 29,144,210.94 is: 40,186,098.43
Step by Step Solution
- Step 1: Write the proportion equation
38,965,240.62 : 53,728,028.46 = 29,144,210.94 : x - Step 2: Convert to fraction form
38,965,240.62/53,728,028.46 = 29,144,210.94/x - Step 3: Cross multiply
38,965,240.62x = 53,728,028.46 × 29,144,210.94 - Step 4: Simplify right side
38,965,240.62x = 1,565,860,994,828,563.50 - Step 5: Solve for x
x = 1,565,860,994,828,563.50/38,965,240.62 - Step 6: Final answer
x = 40,186,098.43
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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.