Finding the Fourth Proportional to 5,505,099.12, 7,593,972.75 and 5,115,408.53
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Solution
The fourth proportional to 5,505,099.12, 7,593,972.75 and 5,115,408.53 is: 7,056,416.62
Step by Step Solution
- Step 1: Write the proportion equation
5,505,099.12 : 7,593,972.75 = 5,115,408.53 : x - Step 2: Convert to fraction form
5,505,099.12/7,593,972.75 = 5,115,408.53/x - Step 3: Cross multiply
5,505,099.12x = 7,593,972.75 × 5,115,408.53 - Step 4: Simplify right side
5,505,099.12x = 38,846,272,943,967.70 - Step 5: Solve for x
x = 38,846,272,943,967.70/5,505,099.12 - Step 6: Final answer
x = 7,056,416.62
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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.