Finding the Fourth Proportional to 20,049,411.99, 27,668,806.34 and 11,787,975.75
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Solution
The fourth proportional to 20,049,411.99, 27,668,806.34 and 11,787,975.75 is: 16,267,769.76
Step by Step Solution
- Step 1: Write the proportion equation
20,049,411.99 : 27,668,806.34 = 11,787,975.75 : x - Step 2: Convert to fraction form
20,049,411.99/27,668,806.34 = 11,787,975.75/x - Step 3: Cross multiply
20,049,411.99x = 27,668,806.34 × 11,787,975.75 - Step 4: Simplify right side
20,049,411.99x = 326,159,218,108,426.38 - Step 5: Solve for x
x = 326,159,218,108,426.38/20,049,411.99 - Step 6: Final answer
x = 16,267,769.76
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1.5x scale
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.