Finding the Fourth Proportional to 23,176,745.28, 31,985,525.07 and 15,322,611.65
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Solution
The fourth proportional to 23,176,745.28, 31,985,525.07 and 15,322,611.65 is: 21,146,272.83
Step by Step Solution
- Step 1: Write the proportion equation
23,176,745.28 : 31,985,525.07 = 15,322,611.65 : x - Step 2: Convert to fraction form
23,176,745.28/31,985,525.07 = 15,322,611.65/x - Step 3: Cross multiply
23,176,745.28x = 31,985,525.07 × 15,322,611.65 - Step 4: Simplify right side
23,176,745.28x = 490,101,779,068,949.06 - Step 5: Solve for x
x = 490,101,779,068,949.06/23,176,745.28 - Step 6: Final answer
x = 21,146,272.83
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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.