Finding the Fourth Proportional to 19,734,718.10, 29,599,815.90 and 5,163,044.33
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Solution
The fourth proportional to 19,734,718.10, 29,599,815.90 and 5,163,044.33 is: 7,743,974.90
Step by Step Solution
- Step 1: Write the proportion equation
19,734,718.10 : 29,599,815.90 = 5,163,044.33 : x - Step 2: Convert to fraction form
19,734,718.10/29,599,815.90 = 5,163,044.33/x - Step 3: Cross multiply
19,734,718.10x = 29,599,815.90 × 5,163,044.33 - Step 4: Simplify right side
19,734,718.10x = 152,825,161,503,539.75 - Step 5: Solve for x
x = 152,825,161,503,539.75/19,734,718.10 - Step 6: Final answer
x = 7,743,974.90
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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.