Finding the Fourth Proportional to 8,448,637.97, 12,668,763.84 and 2,690,620.69
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Solution
The fourth proportional to 8,448,637.97, 12,668,763.84 and 2,690,620.69 is: 4,034,595.66
Step by Step Solution
- Step 1: Write the proportion equation
8,448,637.97 : 12,668,763.84 = 2,690,620.69 : x - Step 2: Convert to fraction form
8,448,637.97/12,668,763.84 = 2,690,620.69/x - Step 3: Cross multiply
8,448,637.97x = 12,668,763.84 × 2,690,620.69 - Step 4: Simplify right side
8,448,637.97x = 34,086,838,101,754.79 - Step 5: Solve for x
x = 34,086,838,101,754.79/8,448,637.97 - Step 6: Final answer
x = 4,034,595.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.