Finding the Fourth Proportional to 7,487,158.28, 11,201,188.31 and 5,670,757.05
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Solution
The fourth proportional to 7,487,158.28, 11,201,188.31 and 5,670,757.05 is: 8,483,755.14
Step by Step Solution
- Step 1: Write the proportion equation
7,487,158.28 : 11,201,188.31 = 5,670,757.05 : x - Step 2: Convert to fraction form
7,487,158.28/11,201,188.31 = 5,670,757.05/x - Step 3: Cross multiply
7,487,158.28x = 11,201,188.31 × 5,670,757.05 - Step 4: Simplify right side
7,487,158.28x = 63,519,217,552,136.44 - Step 5: Solve for x
x = 63,519,217,552,136.44/7,487,158.28 - Step 6: Final answer
x = 8,483,755.14
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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.