Finding the Fourth Proportional to 10,885,167.62, 15,021,526.96 and 5,990,389.70
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Solution
The fourth proportional to 10,885,167.62, 15,021,526.96 and 5,990,389.70 is: 8,266,735.39
Step by Step Solution
- Step 1: Write the proportion equation
10,885,167.62 : 15,021,526.96 = 5,990,389.70 : x - Step 2: Convert to fraction form
10,885,167.62/15,021,526.96 = 5,990,389.70/x - Step 3: Cross multiply
10,885,167.62x = 15,021,526.96 × 5,990,389.70 - Step 4: Simplify right side
10,885,167.62x = 89,984,800,379,456.31 - Step 5: Solve for x
x = 89,984,800,379,456.31/10,885,167.62 - Step 6: Final answer
x = 8,266,735.39
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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.