Finding the Fourth Proportional to 28,548,780.80, 39,297,751.74 and 24,640,936.88
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Solution
The fourth proportional to 28,548,780.80, 39,297,751.74 and 24,640,936.88 is: 33,918,555.99
Step by Step Solution
- Step 1: Write the proportion equation
28,548,780.80 : 39,297,751.74 = 24,640,936.88 : x - Step 2: Convert to fraction form
28,548,780.80/39,297,751.74 = 24,640,936.88/x - Step 3: Cross multiply
28,548,780.80x = 39,297,751.74 × 24,640,936.88 - Step 4: Simplify right side
28,548,780.80x = 968,333,420,151,250.12 - Step 5: Solve for x
x = 968,333,420,151,250.12/28,548,780.80 - Step 6: Final answer
x = 33,918,555.99
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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.