Finding the Fourth Proportional to 10,865,278.74, 14,979,101.94 and 8,667,600.54
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Solution
The fourth proportional to 10,865,278.74, 14,979,101.94 and 8,667,600.54 is: 11,949,336.52
Step by Step Solution
- Step 1: Write the proportion equation
10,865,278.74 : 14,979,101.94 = 8,667,600.54 : x - Step 2: Convert to fraction form
10,865,278.74/14,979,101.94 = 8,667,600.54/x - Step 3: Cross multiply
10,865,278.74x = 14,979,101.94 × 8,667,600.54 - Step 4: Simplify right side
10,865,278.74x = 129,832,872,063,859.03 - Step 5: Solve for x
x = 129,832,872,063,859.03/10,865,278.74 - Step 6: Final answer
x = 11,949,336.52
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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.