Finding the Fourth Proportional to 7,549,777.34, 10,419,721.17 and 4,453,175.42
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Solution
The fourth proportional to 7,549,777.34, 10,419,721.17 and 4,453,175.42 is: 6,145,988.70
Step by Step Solution
- Step 1: Write the proportion equation
7,549,777.34 : 10,419,721.17 = 4,453,175.42 : x - Step 2: Convert to fraction form
7,549,777.34/10,419,721.17 = 4,453,175.42/x - Step 3: Cross multiply
7,549,777.34x = 10,419,721.17 × 4,453,175.42 - Step 4: Simplify right side
7,549,777.34x = 46,400,846,197,497.64 - Step 5: Solve for x
x = 46,400,846,197,497.64/7,549,777.34 - Step 6: Final answer
x = 6,145,988.70
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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.