Finding the Fourth Proportional to 15,547,121.76, 23,161,120.04 and 14,847,615.12
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Solution
The fourth proportional to 15,547,121.76, 23,161,120.04 and 14,847,615.12 is: 22,119,039.23
Step by Step Solution
- Step 1: Write the proportion equation
15,547,121.76 : 23,161,120.04 = 14,847,615.12 : x - Step 2: Convert to fraction form
15,547,121.76/23,161,120.04 = 14,847,615.12/x - Step 3: Cross multiply
15,547,121.76x = 23,161,120.04 × 14,847,615.12 - Step 4: Simplify right side
15,547,121.76x = 343,887,396,102,039 - Step 5: Solve for x
x = 343,887,396,102,039/15,547,121.76 - Step 6: Final answer
x = 22,119,039.23
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.