Finding the Fourth Proportional to 12,958,872.20, 19,430,787.97 and 6,135,388.11
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Solution
The fourth proportional to 12,958,872.20, 19,430,787.97 and 6,135,388.11 is: 9,199,521.65
Step by Step Solution
- Step 1: Write the proportion equation
12,958,872.20 : 19,430,787.97 = 6,135,388.11 : x - Step 2: Convert to fraction form
12,958,872.20/19,430,787.97 = 6,135,388.11/x - Step 3: Cross multiply
12,958,872.20x = 19,430,787.97 × 6,135,388.11 - Step 4: Simplify right side
12,958,872.20x = 119,215,425,432,089.19 - Step 5: Solve for x
x = 119,215,425,432,089.19/12,958,872.20 - Step 6: Final answer
x = 9,199,521.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.