Finding the Fourth Proportional to 34,189,879.14, 47,182,023.99 and 18,719,959.14
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Solution
The fourth proportional to 34,189,879.14, 47,182,023.99 and 18,719,959.14 is: 25,833,538.56
Step by Step Solution
- Step 1: Write the proportion equation
34,189,879.14 : 47,182,023.99 = 18,719,959.14 : x - Step 2: Convert to fraction form
34,189,879.14/47,182,023.99 = 18,719,959.14/x - Step 3: Cross multiply
34,189,879.14x = 47,182,023.99 × 18,719,959.14 - Step 4: Simplify right side
34,189,879.14x = 883,245,561,235,299.88 - Step 5: Solve for x
x = 883,245,561,235,299.88/34,189,879.14 - Step 6: Final answer
x = 25,833,538.56
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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.