Finding the Fourth Proportional to 10,290,525.20, 15,431,864.20 and 3,465,265.92
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Solution
The fourth proportional to 10,290,525.20, 15,431,864.20 and 3,465,265.92 is: 5,196,577.63
Step by Step Solution
- Step 1: Write the proportion equation
10,290,525.20 : 15,431,864.20 = 3,465,265.92 : x - Step 2: Convert to fraction form
10,290,525.20/15,431,864.20 = 3,465,265.92/x - Step 3: Cross multiply
10,290,525.20x = 15,431,864.20 × 3,465,265.92 - Step 4: Simplify right side
10,290,525.20x = 53,475,513,094,328.06 - Step 5: Solve for x
x = 53,475,513,094,328.06/10,290,525.20 - Step 6: Final answer
x = 5,196,577.63
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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.