Finding the Fourth Proportional to 10,255,973.12, 15,384,274.56 and 3,524,291.84
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Solution
The fourth proportional to 10,255,973.12, 15,384,274.56 and 3,524,291.84 is: 5,286,545.96
Step by Step Solution
- Step 1: Write the proportion equation
10,255,973.12 : 15,384,274.56 = 3,524,291.84 : x - Step 2: Convert to fraction form
10,255,973.12/15,384,274.56 = 3,524,291.84/x - Step 3: Cross multiply
10,255,973.12x = 15,384,274.56 × 3,524,291.84 - Step 4: Simplify right side
10,255,973.12x = 54,218,673,296,127.59 - Step 5: Solve for x
x = 54,218,673,296,127.59/10,255,973.12 - Step 6: Final answer
x = 5,286,545.96
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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.