Finding the Fourth Proportional to 8,518,616.99, 12,777,946.66 and 3,401,463.45
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Solution
The fourth proportional to 8,518,616.99, 12,777,946.66 and 3,401,463.45 is: 5,102,203.64
Step by Step Solution
- Step 1: Write the proportion equation
8,518,616.99 : 12,777,946.66 = 3,401,463.45 : x - Step 2: Convert to fraction form
8,518,616.99/12,777,946.66 = 3,401,463.45/x - Step 3: Cross multiply
8,518,616.99x = 12,777,946.66 × 3,401,463.45 - Step 4: Simplify right side
8,518,616.99x = 43,463,718,582,208.71 - Step 5: Solve for x
x = 43,463,718,582,208.71/8,518,616.99 - Step 6: Final answer
x = 5,102,203.64
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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.