Finding the Fourth Proportional to 10,246,301.68, 15,361,158.12 and 4,267,145.20
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Solution
The fourth proportional to 10,246,301.68, 15,361,158.12 and 4,267,145.20 is: 6,397,263.54
Step by Step Solution
- Step 1: Write the proportion equation
10,246,301.68 : 15,361,158.12 = 4,267,145.20 : x - Step 2: Convert to fraction form
10,246,301.68/15,361,158.12 = 4,267,145.20/x - Step 3: Cross multiply
10,246,301.68x = 15,361,158.12 × 4,267,145.20 - Step 4: Simplify right side
10,246,301.68x = 65,548,292,138,199.02 - Step 5: Solve for x
x = 65,548,292,138,199.02/10,246,301.68 - Step 6: Final answer
x = 6,397,263.54
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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.