Finding the Fourth Proportional to 8,331,721.02, 11,497,234.91 and 4,660,002.23
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Solution
The fourth proportional to 8,331,721.02, 11,497,234.91 and 4,660,002.23 is: 6,430,500.99
Step by Step Solution
- Step 1: Write the proportion equation
8,331,721.02 : 11,497,234.91 = 4,660,002.23 : x - Step 2: Convert to fraction form
8,331,721.02/11,497,234.91 = 4,660,002.23/x - Step 3: Cross multiply
8,331,721.02x = 11,497,234.91 × 4,660,002.23 - Step 4: Simplify right side
8,331,721.02x = 53,577,140,238,647.66 - Step 5: Solve for x
x = 53,577,140,238,647.66/8,331,721.02 - Step 6: Final answer
x = 6,430,500.99
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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.