Finding the Fourth Proportional to 11,277,521.68, 15,562,987.50 and 6,120,883.30
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Solution
The fourth proportional to 11,277,521.68, 15,562,987.50 and 6,120,883.30 is: 8,446,823.07
Step by Step Solution
- Step 1: Write the proportion equation
11,277,521.68 : 15,562,987.50 = 6,120,883.30 : x - Step 2: Convert to fraction form
11,277,521.68/15,562,987.50 = 6,120,883.30/x - Step 3: Cross multiply
11,277,521.68x = 15,562,987.50 × 6,120,883.30 - Step 4: Simplify right side
11,277,521.68x = 95,259,230,286,858.75 - Step 5: Solve for x
x = 95,259,230,286,858.75/11,277,521.68 - Step 6: Final answer
x = 8,446,823.07
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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.