Finding the Fourth Proportional to 8,432,421.24, 11,636,745.21 and 4,564,942.41
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Solution
The fourth proportional to 8,432,421.24, 11,636,745.21 and 4,564,942.41 is: 6,299,622.64
Step by Step Solution
- Step 1: Write the proportion equation
8,432,421.24 : 11,636,745.21 = 4,564,942.41 : x - Step 2: Convert to fraction form
8,432,421.24/11,636,745.21 = 4,564,942.41/x - Step 3: Cross multiply
8,432,421.24x = 11,636,745.21 × 4,564,942.41 - Step 4: Simplify right side
8,432,421.24x = 53,121,071,723,493.36 - Step 5: Solve for x
x = 53,121,071,723,493.36/8,432,421.24 - Step 6: Final answer
x = 6,299,622.64
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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.