Finding the Fourth Proportional to 10,119,376.50, 15,178,930.76 and 2,442,979.97
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Solution
The fourth proportional to 10,119,376.50, 15,178,930.76 and 2,442,979.97 is: 3,664,437.61
Step by Step Solution
- Step 1: Write the proportion equation
10,119,376.50 : 15,178,930.76 = 2,442,979.97 : x - Step 2: Convert to fraction form
10,119,376.50/15,178,930.76 = 2,442,979.97/x - Step 3: Cross multiply
10,119,376.50x = 15,178,930.76 × 2,442,979.97 - Step 4: Simplify right side
10,119,376.50x = 37,081,823,856,751.66 - Step 5: Solve for x
x = 37,081,823,856,751.66/10,119,376.50 - Step 6: Final answer
x = 3,664,437.61
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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.