Finding the Fourth Proportional to 11,379,161.04, 15,704,680.35 and 7,462,212.53
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Solution
The fourth proportional to 11,379,161.04, 15,704,680.35 and 7,462,212.53 is: 10,298,796.37
Step by Step Solution
- Step 1: Write the proportion equation
11,379,161.04 : 15,704,680.35 = 7,462,212.53 : x - Step 2: Convert to fraction form
11,379,161.04/15,704,680.35 = 7,462,212.53/x - Step 3: Cross multiply
11,379,161.04x = 15,704,680.35 × 7,462,212.53 - Step 4: Simplify right side
11,379,161.04x = 117,191,662,408,891.39 - Step 5: Solve for x
x = 117,191,662,408,891.39/11,379,161.04 - Step 6: Final answer
x = 10,298,796.37
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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.