Finding the Fourth Proportional to 10,749,382.36, 14,834,147.68 and 5,920,486.36
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Solution
The fourth proportional to 10,749,382.36, 14,834,147.68 and 5,920,486.36 is: 8,170,271.19
Step by Step Solution
- Step 1: Write the proportion equation
10,749,382.36 : 14,834,147.68 = 5,920,486.36 : x - Step 2: Convert to fraction form
10,749,382.36/14,834,147.68 = 5,920,486.36/x - Step 3: Cross multiply
10,749,382.36x = 14,834,147.68 × 5,920,486.36 - Step 4: Simplify right side
10,749,382.36x = 87,825,369,001,665.64 - Step 5: Solve for x
x = 87,825,369,001,665.64/10,749,382.36 - Step 6: Final answer
x = 8,170,271.19
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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.