Finding the Fourth Proportional to 19,156,903.49, 28,734,324.99 and 9,431,821.45
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Solution
The fourth proportional to 19,156,903.49, 28,734,324.99 and 9,431,821.45 is: 14,147,224.93
Step by Step Solution
- Step 1: Write the proportion equation
19,156,903.49 : 28,734,324.99 = 9,431,821.45 : x - Step 2: Convert to fraction form
19,156,903.49/28,734,324.99 = 9,431,821.45/x - Step 3: Cross multiply
19,156,903.49x = 28,734,324.99 × 9,431,821.45 - Step 4: Simplify right side
19,156,903.49x = 271,017,022,630,871 - Step 5: Solve for x
x = 271,017,022,630,871/19,156,903.49 - Step 6: Final answer
x = 14,147,224.93
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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.