Finding the Fourth Proportional to 18,442,565.08, 27,665,176.21 and 7,083,013.70
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Solution
The fourth proportional to 18,442,565.08, 27,665,176.21 and 7,083,013.70 is: 10,625,030.81
Step by Step Solution
- Step 1: Write the proportion equation
18,442,565.08 : 27,665,176.21 = 7,083,013.70 : x - Step 2: Convert to fraction form
18,442,565.08/27,665,176.21 = 7,083,013.70/x - Step 3: Cross multiply
18,442,565.08x = 27,665,176.21 × 7,083,013.70 - Step 4: Simplify right side
18,442,565.08x = 195,952,822,108,344.09 - Step 5: Solve for x
x = 195,952,822,108,344.09/18,442,565.08 - Step 6: Final answer
x = 10,625,030.81
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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.