Finding the Fourth Proportional to 7,201,668.88, 9,937,985.34 and 4,104,863.92
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Solution
The fourth proportional to 7,201,668.88, 9,937,985.34 and 4,104,863.92 is: 5,664,531.12
Step by Step Solution
- Step 1: Write the proportion equation
7,201,668.88 : 9,937,985.34 = 4,104,863.92 : x - Step 2: Convert to fraction form
7,201,668.88/9,937,985.34 = 4,104,863.92/x - Step 3: Cross multiply
7,201,668.88x = 9,937,985.34 × 4,104,863.92 - Step 4: Simplify right side
7,201,668.88x = 40,794,077,459,654.93 - Step 5: Solve for x
x = 40,794,077,459,654.93/7,201,668.88 - Step 6: Final answer
x = 5,664,531.12
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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.