Finding the Fourth Proportional to 16,536,143.52, 24,709,354.56 and 12,623,950.44
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Solution
The fourth proportional to 16,536,143.52, 24,709,354.56 and 12,623,950.44 is: 18,863,507.50
Step by Step Solution
- Step 1: Write the proportion equation
16,536,143.52 : 24,709,354.56 = 12,623,950.44 : x - Step 2: Convert to fraction form
16,536,143.52/24,709,354.56 = 12,623,950.44/x - Step 3: Cross multiply
16,536,143.52x = 24,709,354.56 × 12,623,950.44 - Step 4: Simplify right side
16,536,143.52x = 311,929,667,369,828 - Step 5: Solve for x
x = 311,929,667,369,828/16,536,143.52 - Step 6: Final answer
x = 18,863,507.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.