Finding the Fourth Proportional to 10,120,913.05, 15,181,370.12 and 2,932,451.68
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Solution
The fourth proportional to 10,120,913.05, 15,181,370.12 and 2,932,451.68 is: 4,398,677.68
Step by Step Solution
- Step 1: Write the proportion equation
10,120,913.05 : 15,181,370.12 = 2,932,451.68 : x - Step 2: Convert to fraction form
10,120,913.05/15,181,370.12 = 2,932,451.68/x - Step 3: Cross multiply
10,120,913.05x = 15,181,370.12 × 2,932,451.68 - Step 4: Simplify right side
10,120,913.05x = 44,518,634,313,095.80 - Step 5: Solve for x
x = 44,518,634,313,095.80/10,120,913.05 - Step 6: Final answer
x = 4,398,677.68
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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.