Finding the Fourth Proportional to 10,992,812.70, 16,489,219.05 and 9,229,215.90
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Solution
The fourth proportional to 10,992,812.70, 16,489,219.05 and 9,229,215.90 is: 13,843,823.85
Step by Step Solution
- Step 1: Write the proportion equation
10,992,812.70 : 16,489,219.05 = 9,229,215.90 : x - Step 2: Convert to fraction form
10,992,812.70/16,489,219.05 = 9,229,215.90/x - Step 3: Cross multiply
10,992,812.70x = 16,489,219.05 × 9,229,215.90 - Step 4: Simplify right side
10,992,812.70x = 152,182,562,634,842.91 - Step 5: Solve for x
x = 152,182,562,634,842.91/10,992,812.70 - Step 6: Final answer
x = 13,843,823.85
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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.