Finding the Fourth Proportional to 7,447,215.94, 11,170,824.55 and 2,398,526.44
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Solution
The fourth proportional to 7,447,215.94, 11,170,824.55 and 2,398,526.44 is: 3,597,789.86
Step by Step Solution
- Step 1: Write the proportion equation
7,447,215.94 : 11,170,824.55 = 2,398,526.44 : x - Step 2: Convert to fraction form
7,447,215.94/11,170,824.55 = 2,398,526.44/x - Step 3: Cross multiply
7,447,215.94x = 11,170,824.55 × 2,398,526.44 - Step 4: Simplify right side
7,447,215.94x = 26,793,518,005,852.72 - Step 5: Solve for x
x = 26,793,518,005,852.72/7,447,215.94 - Step 6: Final answer
x = 3,597,789.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.