Finding the Fourth Proportional to 10,819,382.25, 14,930,747.64 and 6,235,998.87
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Solution
The fourth proportional to 10,819,382.25, 14,930,747.64 and 6,235,998.87 is: 8,605,678.52
Step by Step Solution
- Step 1: Write the proportion equation
10,819,382.25 : 14,930,747.64 = 6,235,998.87 : x - Step 2: Convert to fraction form
10,819,382.25/14,930,747.64 = 6,235,998.87/x - Step 3: Cross multiply
10,819,382.25x = 14,930,747.64 × 6,235,998.87 - Step 4: Simplify right side
10,819,382.25x = 93,108,125,411,295.17 - Step 5: Solve for x
x = 93,108,125,411,295.17/10,819,382.25 - Step 6: Final answer
x = 8,605,678.52
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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.