Finding the Fourth Proportional to 51,986,026.12, 71,740,452.91 and 28,464,135.48
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Solution
The fourth proportional to 51,986,026.12, 71,740,452.91 and 28,464,135.48 is: 39,280,362.89
Step by Step Solution
- Step 1: Write the proportion equation
51,986,026.12 : 71,740,452.91 = 28,464,135.48 : x - Step 2: Convert to fraction form
51,986,026.12/71,740,452.91 = 28,464,135.48/x - Step 3: Cross multiply
51,986,026.12x = 71,740,452.91 × 28,464,135.48 - Step 4: Simplify right side
51,986,026.12x = 2,042,029,970,884,479.75 - Step 5: Solve for x
x = 2,042,029,970,884,479.75/51,986,026.12 - Step 6: Final answer
x = 39,280,362.89
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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.