Finding the Fourth Proportional to 19,682,124.80, 29,499,251.69 and 13,926,516.71
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Solution
The fourth proportional to 19,682,124.80, 29,499,251.69 and 13,926,516.71 is: 20,872,838.97
Step by Step Solution
- Step 1: Write the proportion equation
19,682,124.80 : 29,499,251.69 = 13,926,516.71 : x - Step 2: Convert to fraction form
19,682,124.80/29,499,251.69 = 13,926,516.71/x - Step 3: Cross multiply
19,682,124.80x = 29,499,251.69 × 13,926,516.71 - Step 4: Simplify right side
19,682,124.80x = 410,821,821,480,600.75 - Step 5: Solve for x
x = 410,821,821,480,600.75/19,682,124.80 - Step 6: Final answer
x = 20,872,838.97
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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.