Finding the Fourth Proportional to 10,283,074.97, 15,421,035.21 and 4,133,230.88
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Solution
The fourth proportional to 10,283,074.97, 15,421,035.21 and 4,133,230.88 is: 6,198,408.46
Step by Step Solution
- Step 1: Write the proportion equation
10,283,074.97 : 15,421,035.21 = 4,133,230.88 : x - Step 2: Convert to fraction form
10,283,074.97/15,421,035.21 = 4,133,230.88/x - Step 3: Cross multiply
10,283,074.97x = 15,421,035.21 × 4,133,230.88 - Step 4: Simplify right side
10,283,074.97x = 63,738,698,931,539.29 - Step 5: Solve for x
x = 63,738,698,931,539.29/10,283,074.97 - Step 6: Final answer
x = 6,198,408.46
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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.