Finding the Fourth Proportional to 38,135,959.20, 57,226,057.20 and 14,203,850.40
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Solution
The fourth proportional to 38,135,959.20, 57,226,057.20 and 14,203,850.40 is: 21,314,013.66
Step by Step Solution
- Step 1: Write the proportion equation
38,135,959.20 : 57,226,057.20 = 14,203,850.40 : x - Step 2: Convert to fraction form
38,135,959.20/57,226,057.20 = 14,203,850.40/x - Step 3: Cross multiply
38,135,959.20x = 57,226,057.20 × 14,203,850.40 - Step 4: Simplify right side
38,135,959.20x = 812,830,355,450,643 - Step 5: Solve for x
x = 812,830,355,450,643/38,135,959.20 - Step 6: Final answer
x = 21,314,013.66
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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.