Finding the Fourth Proportional to 7,983,764.21, 11,974,335.93 and 2,226,889.49
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Solution
The fourth proportional to 7,983,764.21, 11,974,335.93 and 2,226,889.49 is: 3,339,968.72
Step by Step Solution
- Step 1: Write the proportion equation
7,983,764.21 : 11,974,335.93 = 2,226,889.49 : x - Step 2: Convert to fraction form
7,983,764.21/11,974,335.93 = 2,226,889.49/x - Step 3: Cross multiply
7,983,764.21x = 11,974,335.93 × 2,226,889.49 - Step 4: Simplify right side
7,983,764.21x = 26,665,522,772,374.70 - Step 5: Solve for x
x = 26,665,522,772,374.70/7,983,764.21 - Step 6: Final answer
x = 3,339,968.72
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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.