Finding the Fourth Proportional to 8,430,406.73, 12,645,642.68 and 2,040,648.65
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Solution
The fourth proportional to 8,430,406.73, 12,645,642.68 and 2,040,648.65 is: 3,060,980.86
Step by Step Solution
- Step 1: Write the proportion equation
8,430,406.73 : 12,645,642.68 = 2,040,648.65 : x - Step 2: Convert to fraction form
8,430,406.73/12,645,642.68 = 2,040,648.65/x - Step 3: Cross multiply
8,430,406.73x = 12,645,642.68 × 2,040,648.65 - Step 4: Simplify right side
8,430,406.73x = 25,805,313,663,324.38 - Step 5: Solve for x
x = 25,805,313,663,324.38/8,430,406.73 - Step 6: Final answer
x = 3,060,980.86
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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.