Finding the Fourth Proportional to 10,865,273.74, 14,979,095.04 and 8,667,595.54
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Solution
The fourth proportional to 10,865,273.74, 14,979,095.04 and 8,667,595.54 is: 11,949,329.62
Step by Step Solution
- Step 1: Write the proportion equation
10,865,273.74 : 14,979,095.04 = 8,667,595.54 : x - Step 2: Convert to fraction form
10,865,273.74/14,979,095.04 = 8,667,595.54/x - Step 3: Cross multiply
10,865,273.74x = 14,979,095.04 × 8,667,595.54 - Step 4: Simplify right side
10,865,273.74x = 129,832,737,361,940.09 - Step 5: Solve for x
x = 129,832,737,361,940.09/10,865,273.74 - Step 6: Final answer
x = 11,949,329.62
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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.