Finding the Fourth Proportional to 7,083,479.60, 9,775,156.70 and 4,027,694.12
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Solution
The fourth proportional to 7,083,479.60, 9,775,156.70 and 4,027,694.12 is: 5,558,192.21
Step by Step Solution
- Step 1: Write the proportion equation
7,083,479.60 : 9,775,156.70 = 4,027,694.12 : x - Step 2: Convert to fraction form
7,083,479.60/9,775,156.70 = 4,027,694.12/x - Step 3: Cross multiply
7,083,479.60x = 9,775,156.70 × 4,027,694.12 - Step 4: Simplify right side
7,083,479.60x = 39,371,341,162,668.60 - Step 5: Solve for x
x = 39,371,341,162,668.60/7,083,479.60 - Step 6: Final answer
x = 5,558,192.21
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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.