Finding the Fourth Proportional to 52,542,778.41, 72,509,162.34 and 29,338,735.75
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Solution
The fourth proportional to 52,542,778.41, 72,509,162.34 and 29,338,735.75 is: 40,487,526.88
Step by Step Solution
- Step 1: Write the proportion equation
52,542,778.41 : 72,509,162.34 = 29,338,735.75 : x - Step 2: Convert to fraction form
52,542,778.41/72,509,162.34 = 29,338,735.75/x - Step 3: Cross multiply
52,542,778.41x = 72,509,162.34 × 29,338,735.75 - Step 4: Simplify right side
52,542,778.41x = 2,127,327,153,275,859 - Step 5: Solve for x
x = 2,127,327,153,275,859/52,542,778.41 - Step 6: Final answer
x = 40,487,526.88
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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.