Finding the Fourth Proportional to 39,257,071.04, 54,170,958.24 and 28,949,343.68
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Solution
The fourth proportional to 39,257,071.04, 54,170,958.24 and 28,949,343.68 is: 39,947,292.20
Step by Step Solution
- Step 1: Write the proportion equation
39,257,071.04 : 54,170,958.24 = 28,949,343.68 : x - Step 2: Convert to fraction form
39,257,071.04/54,170,958.24 = 28,949,343.68/x - Step 3: Cross multiply
39,257,071.04x = 54,170,958.24 × 28,949,343.68 - Step 4: Simplify right side
39,257,071.04x = 1,568,213,687,564,688 - Step 5: Solve for x
x = 1,568,213,687,564,688/39,257,071.04 - Step 6: Final answer
x = 39,947,292.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.