Finding the Fourth Proportional to 7,525,592.16, 10,385,336.88 and 4,087,805.28
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Solution
The fourth proportional to 7,525,592.16, 10,385,336.88 and 4,087,805.28 is: 5,641,181.99
Step by Step Solution
- Step 1: Write the proportion equation
7,525,592.16 : 10,385,336.88 = 4,087,805.28 : x - Step 2: Convert to fraction form
7,525,592.16/10,385,336.88 = 4,087,805.28/x - Step 3: Cross multiply
7,525,592.16x = 10,385,336.88 × 4,087,805.28 - Step 4: Simplify right side
7,525,592.16x = 42,453,234,932,642.73 - Step 5: Solve for x
x = 42,453,234,932,642.73/7,525,592.16 - Step 6: Final answer
x = 5,641,181.99
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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.