Finding the Fourth Proportional to 12,983,198.98, 19,476,570.24 and 5,408,393.26
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Solution
The fourth proportional to 12,983,198.98, 19,476,570.24 and 5,408,393.26 is: 8,113,327.95
Step by Step Solution
- Step 1: Write the proportion equation
12,983,198.98 : 19,476,570.24 = 5,408,393.26 : x - Step 2: Convert to fraction form
12,983,198.98/19,476,570.24 = 5,408,393.26/x - Step 3: Cross multiply
12,983,198.98x = 19,476,570.24 × 5,408,393.26 - Step 4: Simplify right side
12,983,198.98x = 105,336,951,213,932.56 - Step 5: Solve for x
x = 105,336,951,213,932.56/12,983,198.98 - Step 6: Final answer
x = 8,113,327.95
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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.