Finding the Fourth Proportional to 11,015,960.16, 15,201,722.88 and 6,121,056.56
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Solution
The fourth proportional to 11,015,960.16, 15,201,722.88 and 6,121,056.56 is: 8,446,890.17
Step by Step Solution
- Step 1: Write the proportion equation
11,015,960.16 : 15,201,722.88 = 6,121,056.56 : x - Step 2: Convert to fraction form
11,015,960.16/15,201,722.88 = 6,121,056.56/x - Step 3: Cross multiply
11,015,960.16x = 15,201,722.88 × 6,121,056.56 - Step 4: Simplify right side
11,015,960.16x = 93,050,605,557,926.09 - Step 5: Solve for x
x = 93,050,605,557,926.09/11,015,960.16 - Step 6: Final answer
x = 8,446,890.17
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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.