Finding the Fourth Proportional to 35,030,645.40, 48,342,272.94 and 19,560,721.08
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Solution
The fourth proportional to 35,030,645.40, 48,342,272.94 and 19,560,721.08 is: 26,993,785.20
Step by Step Solution
- Step 1: Write the proportion equation
35,030,645.40 : 48,342,272.94 = 19,560,721.08 : x - Step 2: Convert to fraction form
35,030,645.40/48,342,272.94 = 19,560,721.08/x - Step 3: Cross multiply
35,030,645.40x = 48,342,272.94 × 19,560,721.08 - Step 4: Simplify right side
35,030,645.40x = 945,609,717,352,571.50 - Step 5: Solve for x
x = 945,609,717,352,571.50/35,030,645.40 - Step 6: Final answer
x = 26,993,785.20
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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.