Finding the Fourth Proportional to 8,641,756.17, 12,962,638.58 and 2,251,992.33
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Solution
The fourth proportional to 8,641,756.17, 12,962,638.58 and 2,251,992.33 is: 3,377,989.62
Step by Step Solution
- Step 1: Write the proportion equation
8,641,756.17 : 12,962,638.58 = 2,251,992.33 : x - Step 2: Convert to fraction form
8,641,756.17/12,962,638.58 = 2,251,992.33/x - Step 3: Cross multiply
8,641,756.17x = 12,962,638.58 × 2,251,992.33 - Step 4: Simplify right side
8,641,756.17x = 29,191,762,647,462.13 - Step 5: Solve for x
x = 29,191,762,647,462.13/8,641,756.17 - Step 6: Final answer
x = 3,377,989.62
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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.