Finding the Fourth Proportional to 7,351,497.70, 11,039,056.35 and 5,556,408.10
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Solution
The fourth proportional to 7,351,497.70, 11,039,056.35 and 5,556,408.10 is: 8,343,538.23
Step by Step Solution
- Step 1: Write the proportion equation
7,351,497.70 : 11,039,056.35 = 5,556,408.10 : x - Step 2: Convert to fraction form
7,351,497.70/11,039,056.35 = 5,556,408.10/x - Step 3: Cross multiply
7,351,497.70x = 11,039,056.35 × 5,556,408.10 - Step 4: Simplify right side
7,351,497.70x = 61,337,502,119,496.43 - Step 5: Solve for x
x = 61,337,502,119,496.43/7,351,497.70 - Step 6: Final answer
x = 8,343,538.23
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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.