Finding the Fourth Proportional to 11,245,170.79, 16,855,004.67 and 5,167,343.71
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Solution
The fourth proportional to 11,245,170.79, 16,855,004.67 and 5,167,343.71 is: 7,745,156.03
Step by Step Solution
- Step 1: Write the proportion equation
11,245,170.79 : 16,855,004.67 = 5,167,343.71 : x - Step 2: Convert to fraction form
11,245,170.79/16,855,004.67 = 5,167,343.71/x - Step 3: Cross multiply
11,245,170.79x = 16,855,004.67 × 5,167,343.71 - Step 4: Simplify right side
11,245,170.79x = 87,095,602,363,545.14 - Step 5: Solve for x
x = 87,095,602,363,545.14/11,245,170.79 - Step 6: Final answer
x = 7,745,156.03
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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.