Finding the Fourth Proportional to 11,240,414.19, 15,512,147.25 and 6,888,659.61
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Solution
The fourth proportional to 11,240,414.19, 15,512,147.25 and 6,888,659.61 is: 9,506,580.49
Step by Step Solution
- Step 1: Write the proportion equation
11,240,414.19 : 15,512,147.25 = 6,888,659.61 : x - Step 2: Convert to fraction form
11,240,414.19/15,512,147.25 = 6,888,659.61/x - Step 3: Cross multiply
11,240,414.19x = 15,512,147.25 × 6,888,659.61 - Step 4: Simplify right side
11,240,414.19x = 106,857,902,225,447.58 - Step 5: Solve for x
x = 106,857,902,225,447.58/11,240,414.19 - Step 6: Final answer
x = 9,506,580.49
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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.