Finding the Fourth Proportional to 10,531,727.20, 15,798,465.60 and 3,343,058.20
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Solution
The fourth proportional to 10,531,727.20, 15,798,465.60 and 3,343,058.20 is: 5,014,864.99
Step by Step Solution
- Step 1: Write the proportion equation
10,531,727.20 : 15,798,465.60 = 3,343,058.20 : x - Step 2: Convert to fraction form
10,531,727.20/15,798,465.60 = 3,343,058.20/x - Step 3: Cross multiply
10,531,727.20x = 15,798,465.60 × 3,343,058.20 - Step 4: Simplify right side
10,531,727.20x = 52,815,189,971,497.92 - Step 5: Solve for x
x = 52,815,189,971,497.92/10,531,727.20 - Step 6: Final answer
x = 5,014,864.99
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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.