Finding the Fourth Proportional to 18,931,758.16, 26,125,825.62 and 10,229,930.44
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Solution
The fourth proportional to 18,931,758.16, 26,125,825.62 and 10,229,930.44 is: 14,117,303.66
Step by Step Solution
- Step 1: Write the proportion equation
18,931,758.16 : 26,125,825.62 = 10,229,930.44 : x - Step 2: Convert to fraction form
18,931,758.16/26,125,825.62 = 10,229,930.44/x - Step 3: Cross multiply
18,931,758.16x = 26,125,825.62 × 10,229,930.44 - Step 4: Simplify right side
18,931,758.16x = 267,265,378,780,169.88 - Step 5: Solve for x
x = 267,265,378,780,169.88/18,931,758.16 - Step 6: Final answer
x = 14,117,303.66
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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.