Finding the Fourth Proportional to 7,485,742.91, 11,223,785.49 and 2,937,251.23
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Solution
The fourth proportional to 7,485,742.91, 11,223,785.49 and 2,937,251.23 is: 4,403,982.09
Step by Step Solution
- Step 1: Write the proportion equation
7,485,742.91 : 11,223,785.49 = 2,937,251.23 : x - Step 2: Convert to fraction form
7,485,742.91/11,223,785.49 = 2,937,251.23/x - Step 3: Cross multiply
7,485,742.91x = 11,223,785.49 × 2,937,251.23 - Step 4: Simplify right side
7,485,742.91x = 32,967,077,696,684.50 - Step 5: Solve for x
x = 32,967,077,696,684.50/7,485,742.91 - Step 6: Final answer
x = 4,403,982.09
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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.