Finding the Fourth Proportional to 11,065,373.96, 15,270,282.69 and 6,170,905.49
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Solution
The fourth proportional to 11,065,373.96, 15,270,282.69 and 6,170,905.49 is: 8,515,886.73
Step by Step Solution
- Step 1: Write the proportion equation
11,065,373.96 : 15,270,282.69 = 6,170,905.49 : x - Step 2: Convert to fraction form
11,065,373.96/15,270,282.69 = 6,170,905.49/x - Step 3: Cross multiply
11,065,373.96x = 15,270,282.69 × 6,170,905.49 - Step 4: Simplify right side
11,065,373.96x = 94,231,471,285,572.97 - Step 5: Solve for x
x = 94,231,471,285,572.97/11,065,373.96 - Step 6: Final answer
x = 8,515,886.73
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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.