Finding the Fourth Proportional to 35,349,346.23, 48,781,333.14 and 20,465,297.84
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Solution
The fourth proportional to 35,349,346.23, 48,781,333.14 and 20,465,297.84 is: 28,241,668.32
Step by Step Solution
- Step 1: Write the proportion equation
35,349,346.23 : 48,781,333.14 = 20,465,297.84 : x - Step 2: Convert to fraction form
35,349,346.23/48,781,333.14 = 20,465,297.84/x - Step 3: Cross multiply
35,349,346.23x = 48,781,333.14 × 20,465,297.84 - Step 4: Simplify right side
35,349,346.23x = 998,324,511,498,455.75 - Step 5: Solve for x
x = 998,324,511,498,455.75/35,349,346.23 - Step 6: Final answer
x = 28,241,668.32
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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.