Finding the Fourth Proportional to 17,702,990.65, 24,406,569.50 and 13,273,872.78
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Solution
The fourth proportional to 17,702,990.65, 24,406,569.50 and 13,273,872.78 is: 18,300,280.72
Step by Step Solution
- Step 1: Write the proportion equation
17,702,990.65 : 24,406,569.50 = 13,273,872.78 : x - Step 2: Convert to fraction form
17,702,990.65/24,406,569.50 = 13,273,872.78/x - Step 3: Cross multiply
17,702,990.65x = 24,406,569.50 × 13,273,872.78 - Step 4: Simplify right side
17,702,990.65x = 323,969,698,472,858.81 - Step 5: Solve for x
x = 323,969,698,472,858.81/17,702,990.65 - Step 6: Final answer
x = 18,300,280.72
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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.