Finding the Fourth Proportional to 15,119,182.86, 22,678,864.50 and 3,759,631.48
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Solution
The fourth proportional to 15,119,182.86, 22,678,864.50 and 3,759,631.48 is: 5,639,469.65
Step by Step Solution
- Step 1: Write the proportion equation
15,119,182.86 : 22,678,864.50 = 3,759,631.48 : x - Step 2: Convert to fraction form
15,119,182.86/22,678,864.50 = 3,759,631.48/x - Step 3: Cross multiply
15,119,182.86x = 22,678,864.50 × 3,759,631.48 - Step 4: Simplify right side
15,119,182.86x = 85,264,172,886,056.31 - Step 5: Solve for x
x = 85,264,172,886,056.31/15,119,182.86 - Step 6: Final answer
x = 5,639,469.65
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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.