Finding the Fourth Proportional to 15,236,971.34, 22,855,395.47 and 5,519,309.99
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Solution
The fourth proportional to 15,236,971.34, 22,855,395.47 and 5,519,309.99 is: 8,278,942.69
Step by Step Solution
- Step 1: Write the proportion equation
15,236,971.34 : 22,855,395.47 = 5,519,309.99 : x - Step 2: Convert to fraction form
15,236,971.34/22,855,395.47 = 5,519,309.99/x - Step 3: Cross multiply
15,236,971.34x = 22,855,395.47 × 5,519,309.99 - Step 4: Simplify right side
15,236,971.34x = 126,146,012,401,098.22 - Step 5: Solve for x
x = 126,146,012,401,098.22/15,236,971.34 - Step 6: Final answer
x = 8,278,942.69
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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.