Finding the Fourth Proportional to 8,721,819.16, 13,081,698.42 and 2,332,566.70
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Solution
The fourth proportional to 8,721,819.16, 13,081,698.42 and 2,332,566.70 is: 3,498,574.50
Step by Step Solution
- Step 1: Write the proportion equation
8,721,819.16 : 13,081,698.42 = 2,332,566.70 : x - Step 2: Convert to fraction form
8,721,819.16/13,081,698.42 = 2,332,566.70/x - Step 3: Cross multiply
8,721,819.16x = 13,081,698.42 × 2,332,566.70 - Step 4: Simplify right side
8,721,819.16x = 30,513,934,113,934.62 - Step 5: Solve for x
x = 30,513,934,113,934.62/8,721,819.16 - Step 6: Final answer
x = 3,498,574.50
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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.