Finding the Fourth Proportional to 12,031,803.84, 18,043,213.92 and 4,840,908.48
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Solution
The fourth proportional to 12,031,803.84, 18,043,213.92 and 4,840,908.48 is: 7,259,555.46
Step by Step Solution
- Step 1: Write the proportion equation
12,031,803.84 : 18,043,213.92 = 4,840,908.48 : x - Step 2: Convert to fraction form
12,031,803.84/18,043,213.92 = 4,840,908.48/x - Step 3: Cross multiply
12,031,803.84x = 18,043,213.92 × 4,840,908.48 - Step 4: Simplify right side
12,031,803.84x = 87,345,547,271,782.06 - Step 5: Solve for x
x = 87,345,547,271,782.06/12,031,803.84 - Step 6: Final answer
x = 7,259,555.46
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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.