Finding the Fourth Proportional to 28,368,110.80, 42,552,166.20 and 27,920,213.20
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Solution
The fourth proportional to 28,368,110.80, 42,552,166.20 and 27,920,213.20 is: 41,880,319.80
Step by Step Solution
- Step 1: Write the proportion equation
28,368,110.80 : 42,552,166.20 = 27,920,213.20 : x - Step 2: Convert to fraction form
28,368,110.80/42,552,166.20 = 27,920,213.20/x - Step 3: Cross multiply
28,368,110.80x = 42,552,166.20 × 27,920,213.20 - Step 4: Simplify right side
28,368,110.80x = 1,188,065,552,425,834 - Step 5: Solve for x
x = 1,188,065,552,425,834/28,368,110.80 - Step 6: Final answer
x = 41,880,319.80
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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.