Finding the Fourth Proportional to 39,633,474.91, 59,435,949.02 and 13,718,735.05
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Solution
The fourth proportional to 39,633,474.91, 59,435,949.02 and 13,718,735.05 is: 20,573,165.45
Step by Step Solution
- Step 1: Write the proportion equation
39,633,474.91 : 59,435,949.02 = 13,718,735.05 : x - Step 2: Convert to fraction form
39,633,474.91/59,435,949.02 = 13,718,735.05/x - Step 3: Cross multiply
39,633,474.91x = 59,435,949.02 × 13,718,735.05 - Step 4: Simplify right side
39,633,474.91x = 815,386,036,684,913.75 - Step 5: Solve for x
x = 815,386,036,684,913.75/39,633,474.91 - Step 6: Final answer
x = 20,573,165.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.