Finding the Fourth Proportional to 13,066,049.04, 18,031,053.24 and 7,264,785.84
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Solution
The fourth proportional to 13,066,049.04, 18,031,053.24 and 7,264,785.84 is: 10,025,351.95
Step by Step Solution
- Step 1: Write the proportion equation
13,066,049.04 : 18,031,053.24 = 7,264,785.84 : x - Step 2: Convert to fraction form
13,066,049.04/18,031,053.24 = 7,264,785.84/x - Step 3: Cross multiply
13,066,049.04x = 18,031,053.24 × 7,264,785.84 - Step 4: Simplify right side
13,066,049.04x = 130,991,740,258,238.11 - Step 5: Solve for x
x = 130,991,740,258,238.11/13,066,049.04 - Step 6: Final answer
x = 10,025,351.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.