Finding the Fourth Proportional to 7,800,203.63, 11,677,538.77 and 4,551,786.92
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Solution
The fourth proportional to 7,800,203.63, 11,677,538.77 and 4,551,786.92 is: 6,814,394.95
Step by Step Solution
- Step 1: Write the proportion equation
7,800,203.63 : 11,677,538.77 = 4,551,786.92 : x - Step 2: Convert to fraction form
7,800,203.63/11,677,538.77 = 4,551,786.92/x - Step 3: Cross multiply
7,800,203.63x = 11,677,538.77 × 4,551,786.92 - Step 4: Simplify right side
7,800,203.63x = 53,153,668,196,006.74 - Step 5: Solve for x
x = 53,153,668,196,006.74/7,800,203.63 - Step 6: Final answer
x = 6,814,394.95
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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.